Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
150601	Solve by Addition/Elimination	x+y=5x-y=-1	$x + y = 5 x - y = - 1$
150602	Solve by Addition/Elimination	x+y=5x-y=11	$x + y = 5 x - y = 11$
150603	Solve by Addition/Elimination	x+y=3 , 2x-y=0	$x + y = 3$ , $2 x - y = 0$
150604	Solve by Addition/Elimination	x+y=-2x-y=-4	$x + y = - 2 x - y = - 4$
150605	Solve by Addition/Elimination	x+y=-2x-y=14	$x + y = - 2 x - y = 14$
150606	Solve by Addition/Elimination	-x+y=-13-8x-4y=-8	$- x + y = - 13 - 8 x - 4 y = - 8$
150607	Solve by Addition/Elimination	x+y=0x-y=4	$x + y = 0 x - y = 4$
150608	Solve by Addition/Elimination	x+y=12 , x-y=4	$x + y = 12$ , $x - y = 4$
150609	Solve by Addition/Elimination	x+y=18x-y=2	$x + y = 18 x - y = 2$
150610	Solve by Addition/Elimination	x=5y , 2x-3y=14	$x = 5 y$ , $2 x - 3 y = 14$
150611	Solve by Addition/Elimination	x-3y=42x-6y=q	$x - 3 y = 42 x - 6 y = q$
150612	Solve by Addition/Elimination	x-3y=6-x+3y=-6	$x - 3 y = 6 - x + 3 y = - 6$
150613	Solve by Addition/Elimination	x-3y=9 , -x+3y=-9	$x - 3 y = 9$ , $- x + 3 y = - 9$
150614	Solve by Addition/Elimination	x-3y-z=6-x+8y-4z=-162x-15y+7z=30	$x - 3 y - z = 6 - x + 8 y - 4 z = - 162 x - 15 y + 7 z = 30$
150615	Solve by Addition/Elimination	-x-4y+2z=12x+2y+z=0-3x-2y-5z=5	$- x - 4 y + 2 z = 12 x + 2 y + z = 0 - 3 x - 2 y - 5 z = 5$
150616	Solve by Addition/Elimination	x-2y-z=-4-x+6y-3z=122x-11y+5z=-22	$x - 2 y - z = - 4 - x + 6 y - 3 z = 122 x - 11 y + 5 z = - 22$
150617	Solve by Addition/Elimination	x-y+z=-7x+y+z=1x+y-z=9	$x - y + z = - 7 x + y + z = 1 x + y - z = 9$
150618	Solve by Addition/Elimination	xy=-154x+3y=3	$x y = - 154 x + 3 y = 3$
150619	Solve by Addition/Elimination	y=8xy=5x	$y = 8 x y = 5 x$
150620	Solve by Addition/Elimination	y=3x*2x+3y=55	$y = 3 x \cdot 2 x + 3 y = 55$
150621	Solve by Addition/Elimination	y=5x-7-3x-2y=-12	$y = 5 x - 7 - 3 x - 2 y = - 12$
150622	Solve by Addition/Elimination	x-y-z=2-x+2y-2z=-74x-y-13z=-7	$x - y - z = 2 - x + 2 y - 2 z = - 74 x - y - 13 z = - 7$
150623	Solve by Addition/Elimination	x-y-z=2-x+2y-2z=-75x-2y-14z=-5	$x - y - z = 2 - x + 2 y - 2 z = - 75 x - 2 y - 14 z = - 5$
150624	Solve by Addition/Elimination	y=2x+42y=8x	$y = 2 x + 42 y = 8 x$
150625	Solve by Addition/Elimination	y=-2x+47y=-14x+28	$y = - 2 x + 47 y = - 14 x + 28$
150626	Solve by Addition/Elimination	x-y+3z=83x+y-2z=-22x+4y+z=0	$x - y + 3 z = 83 x + y - 2 z = - 22 x + 4 y + z = 0$
150627	Solve by Addition/Elimination	x-y=5x+y=7	$x - y = 5 x + y = 7$
150628	Solve by Addition/Elimination	y=x^2 y=x+2	$y = x^{2}$ $y = x + 2$
150629	Solve by Addition/Elimination	y=x^2+5x+3y = square root of 2x+5	$y = x^{2} + 5 x + 3 y = \sqrt{2 x + 5}$
150630	Solve by Addition/Elimination	y=x^2-5x+5y=-2x+23	$y = x^{2} - 5 x + 5 y = - 2 x + 23$
150631	Solve by Addition/Elimination	x^2+y^2+6y+5=0 x^2+y^2-2x-8=0	$x^{2} + y^{2} + 6 y + 5 = 0$ $x^{2} + y^{2} - 2 x - 8 = 0$
150632	Solve by Addition/Elimination	x^2+5y^2=2x^2-5y^2=14	$x^{2} + 5 y^{2} = 2 x^{2} - 5 y^{2} = 14$
150633	Solve by Addition/Elimination	x^2+y^2=14x^2+y^2=1	$x^{2} + y^{2} = 14 x^{2} + y^{2} = 1$
150634	Solve by Addition/Elimination	x^2+y^2=181x^2-y^2=-19	$x^{2} + y^{2} = 181 x^{2} - y^{2} = - 19$
150635	Solve by Addition/Elimination	9x-4y-5z=97x+4y-4z=-16x-6y+z=-5	$9 x - 4 y - 5 z = 97 x + 4 y - 4 z = - 16 x - 6 y + z = - 5$
150636	Solve by Addition/Elimination	9x-9y=0-8x-6y=-14	$9 x - 9 y = 0 - 8 x - 6 y = - 14$
150637	Solve by Addition/Elimination	9x-9y=5-36x+36y=-15	$9 x - 9 y = 5 - 36 x + 36 y = - 15$
150638	Solve by Addition/Elimination	x^2+y^2=97x^2-y^2=-65	$x^{2} + y^{2} = 97 x^{2} - y^{2} = - 65$
150639	Solve by Addition/Elimination	x+2y=10-2x-4y=245x+5y+5z=15	$x + 2 y = 10 - 2 x - 4 y = 245 x + 5 y + 5 z = 15$
150640	Solve by Addition/Elimination	x^2+y^2=85x^2-y^2=77	$x^{2} + y^{2} = 85 x^{2} - y^{2} = 77$
150641	Solve by Addition/Elimination	x^2+y^2=41(x-8)^2+y^2=25	$x^{2} + y^{2} = 41 {(x - 8)}^{2} + y^{2} = 25$
150642	Solve by Addition/Elimination	x^2+y^2=45(x-4)^2+y^2=37	$x^{2} + y^{2} = 45 {(x - 4)}^{2} + y^{2} = 37$
150643	Solve by Addition/Elimination	-x+2y=-24x-8y=8	$- x + 2 y = - 24 x - 8 y = 8$
150644	Solve by Addition/Elimination	-x+2y=-25x-10y=10	$- x + 2 y = - 25 x - 10 y = 10$
150645	Solve by Addition/Elimination	x+2y=48x+16y=32	$x + 2 y = 48 x + 16 y = 32$
150646	Solve by Addition/Elimination	x+2y=32x-6y=-34	$x + 2 y = 32 x - 6 y = - 34$
150647	Solve by Addition/Elimination	-x+2y=-34x-8y=12	$- x + 2 y = - 34 x - 8 y = 12$
150648	Solve by Addition/Elimination	x^2-3xy+y^2=4x^2-5xy+6y^2=0	$x^{2} - 3 x y + y^{2} = 4 x^{2} - 5 x y + 6 y^{2} = 0$
150649	Solve by Addition/Elimination	x+2y=4-x-2y=4	$x + 2 y = 4 - x - 2 y = 4$
150650	Solve by Addition/Elimination	x+2y=-7-2x-2y=8	$x + 2 y = - 7 - 2 x - 2 y = 8$
150651	Solve by Addition/Elimination	a+2b-c=-23a+b+4c=23a-3b-2c=11	$a + 2 b - c = - 23 a + b + 4 c = 23 a - 3 b - 2 c = 11$
150652	Solve by Addition/Elimination	-8x-y=4-8x-y=9	$- 8 x - y = 4 - 8 x - y = 9$
150653	Solve by Addition/Elimination	9x+3y=0-63x-21y=0	$9 x + 3 y = 0 - 63 x - 21 y = 0$
150654	Solve by Addition/Elimination	9x+3y=-123x-y=-2	$9 x + 3 y = - 123 x - y = - 2$
150655	Solve by Addition/Elimination	-9x+6y=0-12x+8y=0	$- 9 x + 6 y = 0 - 12 x + 8 y = 0$
150656	Solve by Addition/Elimination	9x+6y=-3 5x+6y=9	$9 x + 6 y = - 3$ $5 x + 6 y = 9$
150657	Solve by Addition/Elimination	8x-7y=-36x-5y=-1	$8 x - 7 y = - 36 x - 5 y = - 1$
150658	Solve by Addition/Elimination	9x+2y=137x-6y=63	$9 x + 2 y = 137 x - 6 y = 63$
150659	Solve by Addition/Elimination	9x+2y=2 21x+6y=4	$9 x + 2 y = 2$ $21 x + 6 y = 4$
150660	Solve by Addition/Elimination	7x+y=65x+3y=34	$7 x + y = 65 x + 3 y = 34$
150661	Solve by Addition/Elimination	8x-16y=14-x+5y=-3	$8 x - 16 y = 14 - x + 5 y = - 3$
150662	Solve by Addition/Elimination	7x=3y+454x+5y=19	$7 x = 3 y + 454 x + 5 y = 19$
150663	Solve by Addition/Elimination	7x-4y=-32x+5y=-7	$7 x - 4 y = - 32 x + 5 y = - 7$
150664	Solve by Addition/Elimination	6x-8y=-385x+12y=99	$6 x - 8 y = - 385 x + 12 y = 99$
150665	Solve by Addition/Elimination	6x-y=30 x+9y=60	$6 x - y = 30$ $x + 9 y = 60$
150666	Solve by Addition/Elimination	6x-5y=7-5x+6y=-15	$6 x - 5 y = 7 - 5 x + 6 y = - 15$
150667	Solve by Addition/Elimination	7x+5y=19 -7x-2y=-16	$7 x + 5 y = 19$ $- 7 x - 2 y = - 16$
150668	Solve by Addition/Elimination	6x+y-z=65x+5y-4z=5	$6 x + y - z = 65 x + 5 y - 4 z = 5$
150669	Solve by Addition/Elimination	6x+y-z=67x+7y-6z=7	$6 x + y - z = 67 x + 7 y - 6 z = 7$
150670	Solve by Addition/Elimination	6x-10y=129x-15y=18	$6 x - 10 y = 129 x - 15 y = 18$
150671	Solve by Addition/Elimination	6x+5y=-1-7x+15y=-103	$6 x + 5 y = - 1 - 7 x + 15 y = - 103$
150672	Solve by Addition/Elimination	6x-12y=24 -x-6y=4	$6 x - 12 y = 24$ $- x - 6 y = 4$
150673	Solve by Addition/Elimination	6x-4=-8y , 7x+6y=-12	$6 x - 4 = - 8 y$ , $7 x + 6 y = - 12$
150674	Find the Slope and y-intercept	(3,0) , (-9,9)	$(3, 0) (- 9, 9)$
150675	Find the Slope and y-intercept	(7,0) , (-2,6)	$(7, 0) (- 2, 6)$
150676	Find the Slope and y-intercept	(-8,0) , (0,8)	$(- 8, 0) (0, 8)$
150677	Find the Slope and y-intercept	(-5,3) , (7,-9)	$(- 5, 3) (7, - 9)$
150678	Find the Slope and y-intercept	(5,35) , (-6,-31)	$(5, 35) (- 6, - 31)$
150679	Find the Slope and y-intercept	(-6,0) , (0,4)	$(- 6, 0) (0, 4)$
150680	Solve by Addition/Elimination	1/4x+1/4y=-1 1/4x-1/4y=-5/2	$\frac{1}{4} x + \frac{1}{4} y = - 1 \frac{1}{4} x - \frac{1}{4} y = - \frac{5}{2}$
150681	Solve by Addition/Elimination	1/3x+y=8/31/6x+1/5y=61/30	$\frac{1}{3} x + y = \frac{8}{3} \frac{1}{6} x + \frac{1}{5} y = \frac{61}{30}$
150682	Find the LCD	(y^2)/(y^2-4y+4)-5/(y^2+5y-14)	$\frac{y^{2}}{y^{2} - 4 y + 4} \frac{- 5}{y^{2} + 5 y - 14}$
150683	Solve by Addition/Elimination	1/5x+y=9/51/10x+1/3y=31/30	$\frac{1}{5} x + y = \frac{9}{5} \frac{1}{10} x + \frac{1}{3} y = \frac{31}{30}$
150684	Solve by Addition/Elimination	1/5x+y=12/5 , 1/10x+1/3y=13/10	$\frac{1}{5} x + y = \frac{12}{5}$ , $\frac{1}{10} x + \frac{1}{3} y = \frac{13}{10}$
150685	Solve by Addition/Elimination	1/5x+y=13/51/10x+1/3y=41/30	$\frac{1}{5} x + y = \frac{13}{5} \frac{1}{10} x + \frac{1}{3} y = \frac{41}{30}$
150686	Solve by Addition/Elimination	1/3x+y=4/31/6x+1/5y=7/6	$\frac{1}{3} x + y = \frac{4}{3} \frac{1}{6} x + \frac{1}{5} y = \frac{7}{6}$
150687	Solve by Addition/Elimination	12x-10y=26x-5y=4	$12 x - 10 y = 26 x - 5 y = 4$
150688	Solve by Addition/Elimination	11x-5y=809x-15y=120	$11 x - 5 y = 809 x - 15 y = 120$
150689	Solve by Addition/Elimination	12x+3y=65x+2y=4	$12 x + 3 y = 65 x + 2 y = 4$
150690	Solve by Addition/Elimination	10y+7x=29 -5y-9x=2	$10 y + 7 x = 29$ $- 5 y - 9 x = 2$
150691	Solve by Addition/Elimination	10x+6y=2812x-6y=-6	$10 x + 6 y = 2812 x - 6 y = - 6$
150692	Solve by Addition/Elimination	x/3+y/12=-33/4x/4+y/6=-3/2	$\frac{x}{3} + \frac{y}{12} = - \frac{33}{4} \frac{x}{4} + \frac{y}{6} = - \frac{3}{2}$
150693	Solve by Addition/Elimination	x/7-y=2-x/2+(7y)/2=-7	$\frac{x}{7} - y = 2 - \frac{x}{2} + \frac{7 y}{2} = - 7$
150694	Solve by Addition/Elimination	21x+7y=42-5x+5y=10	$21 x + 7 y = 42 - 5 x + 5 y = 10$
150695	Solve by Addition/Elimination	21x+7y=-7y=-3x-1	$21 x + 7 y = - 7 y = - 3 x - 1$
150696	Solve by Addition/Elimination	2c-15d+7e=-30 , -c+8d-4e=16 , -c+3d+e=6	$2 c - 15 d + 7 e = - 30$ , $- c + 8 d - 4 e = 16$ , $- c + 3 d + e = 6$
150697	Solve by Addition/Elimination	27=-3y+x*2y=10-4x	$27 = - 3 y + x \cdot 2 y = 10 - 4 x$
150698	Solve by Addition/Elimination	12x+4y=0-72x-24y=0	$12 x + 4 y = 0 - 72 x - 24 y = 0$
150699	Solve by Addition/Elimination	-10x-7y=512x-8y=-4	$- 10 x - 7 y = 512 x - 8 y = - 4$
150700	Solve by Addition/Elimination	19x-8y=1014x-7y=2	$19 x - 8 y = 1014 x - 7 y = 2$