Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
40401	Resolva para y	(5y+5)(10y+5)=100	$(5 y + 5) (10 y + 5) = 100$
40402	Resolva para y	(70+2y)(50+2y)=(70*50)+244	$(70 + 2 y) (50 + 2 y) = (70 \cdot 50) + 244$
40403	Resolva para y	(7y)+(4)=49	$(7 y) + (4) = 49$
40404	Resolva para y	(7y+8)-(6+6y)=11	$(7 y + 8) - (6 + 6 y) = 11$
40405	Resolva para y	(8y+7)(7y-8)=0	$(8 y + 7) (7 y - 8) = 0$
40406	Resolva para y	(9y+7)+(6y+8)=80	$(9 y + 7) + (6 y + 8) = 80$
40407	Resolva para y	(-y)x+4=8	$(- y) x + 4 = 8$
40408	Resolva para y	(y2000000)+((y+0.15)1000000)+((y-0.3)*1000000)=12000000	$(y \cdot 2000000) + ((y + 0.15) \cdot 1000000) + ((y - 0.3) \cdot 1000000) = 12000000$
40409	Resolva para y	(y-5^2)=y(y-8)+11	$(y - 5^{2}) = y (y - 8) + 11$
40410	Resolva para y	(y+6/3)-(y-6)/25=1	$(y + \frac{6}{3}) - \frac{y - 6}{25} = 1$
40411	Resolva para y	(y+9^(5/2))-1=31	$(y + 9^{\frac{5}{2}}) - 1 = 31$
40412	Resolva para y	(y+2)(y+12)=4y	$(y + 2) (y + 12) = 4 y$
40413	Resolva para y	(y+4)+y=60	$(y + 4) + y = 60$
40414	Resolva para y	(y+4)-2(3-5y)=3(y+5)-1	$(y + 4) - 2 (3 - 5 y) = 3 (y + 5) - 1$
40415	Resolva para y	-(y+5)-4=-2(y-6)	$- (y + 5) - 4 = - 2 (y - 6)$
40416	Resolva para y	(y-3)=33	$(y - 3) = 33$
40417	Resolva para y	(y-4)-(y+9)=5y	$(y - 4) - (y + 9) = 5 y$
40418	Resolva para y	(y-5)(2y+4)=0	$(y - 5) (2 y + 4) = 0$
40419	Resolva para y	(y-5)-(y+4)=2y	$(y - 5) - (y + 4) = 2 y$
40420	Resolva para y	(y-6)-(y+6)=8y	$(y - 6) - (y + 6) = 8 y$
40421	Resolva para y	(y-7)(3y-1)=0	$(y - 7) (3 y - 1) = 0$
40422	Resolva para y	(y-7)(y+8)=0	$(y - 7) (y + 8) = 0$
40423	Resolva para y	0.03(90)+0.1(y)=0.08	$0.03 (90) + 0.1 (y) = 0.08$
40424	Resolva para y	-0.10*65+0.45y=0.05(y-18)	$- 0.1 \cdot 65 + 0.45 y = 0.05 (y - 18)$
40425	Resolva para y	0.10(y-4)+0.20y=0.14y-0.6	$0.1 (y - 4) + 0.2 y = 0.14 y - 0.6$
40426	Resolva para y	0.12(y-8)+0.04y=0.06y-0.01*60	$0.12 (y - 8) + 0.04 y = 0.06 y - 0.01 \cdot 60$
40427	Resolva para y	0.26y+0.052=y^2-0.6y+9	$0.26 y + 0.052 = y^{2} - 0.6 y + 9$
40428	Resolva para y	0.2y+0.4=1.6	$0.2 y + 0.4 = 1.6$
40429	Resolva para y	0.2y-8=-2	$0.2 y - 8 = - 2$
40430	Resolva para y	0.5y=0.5x+0.5	$0.5 y = 0.5 x + 0.5$
40431	Resolva para y	0.73y+0.42(y-2)=0.35y	$0.73 y + 0.42 (y - 2) = 0.35 y$
40432	Resolva para y	0.8y=8.62	$0.8 y = 8.62$
40433	Resolva para y	0.90y+0.25(70)=0.80(y+70)	$0.9 y + 0.25 (70) = 0.8 (y + 70)$
40434	Resolva para y	(1/25)^(2y+3)=125^(3y-12)	${(\frac{1}{25})}^{2 y + 3} = 125^{3 y - 12}$
40435	Resolva para y	(1/4)^y=8^(y-1)	${(\frac{1}{4})}^{y} = 8^{y - 1}$
40436	Resolva para y	((-2y+12)/3)^2-y+2y^2=12	${(\frac{- 2 y + 12}{3})}^{2} - y + 2 y^{2} = 12$
40437	Resolva para y	( racine carrée de y)^2=23	${(\sqrt{y})}^{2} = 23$
40438	Resolva para y	( racine carrée de y+4)^2=14^2	${(\sqrt{y + 4})}^{2} = 14^{2}$
40439	Resolva para y	((10+30)-(y-50))/4=20	$\frac{(10 + 30) - (y - 50)}{4} = 20$
40440	Resolva para y	(10y-3)^2=27	${(10 y - 3)}^{2} = 27$
40441	Resolva para Y	(2- racine carrée de y+2)^2=4	${(2 - \sqrt{y + 2})}^{2} = 4$
40442	Resolva para y	(2y+1)^2=7	${(2 y + 1)}^{2} = 7$
40443	Resolva para y	(2y+4)^2=36	${(2 y + 4)}^{2} = 36$
40444	Resolva para y	(2y+5)^2=27	${(2 y + 5)}^{2} = 27$
40445	Resolva para y	(3 racine carrée de 14)^2=125+y^2	${(3 \sqrt{14})}^{2} = 125 + y^{2}$
40446	Resolva para y	(3y)/4+1/6=y/8-1/3	$\frac{3 y}{4} + \frac{1}{6} = \frac{y}{8} - \frac{1}{3}$
40447	Resolva para y	(3y+2)^2=16	${(3 y + 2)}^{2} = 16$
40448	Resolva para y	350/3=y/2	$\frac{350}{3} = \frac{y}{2}$
40449	Resolva para y	36/y=16/(y-5)	$\frac{36}{y} = \frac{16}{y - 5}$
40450	Resolva para y	375/100=y/32	$\frac{375}{100} = \frac{y}{32}$
40451	Resolva para y	(386+y)/8=55	$\frac{386 + y}{8} = 55$
40452	Resolva para y	39/9=y/30	$\frac{39}{9} = \frac{y}{30}$
40453	Resolva para y	(3y)/10-5=y/5+3	$\frac{3 y}{10} - 5 = \frac{y}{5} + 3$
40454	Resolva para y	(3y)/4+y/2=15	$\frac{3 y}{4} + \frac{y}{2} = 15$
40455	Resolva para y	(3y)/4+(y-2)/3=(2y+1)/2-1	$\frac{3 y}{4} + \frac{y - 2}{3} = \frac{2 y + 1}{2} - 1$
40456	Resolva para y	-(3y)/4+12=15	$- \frac{3 y}{4} + 12 = 15$
40457	Resolva para y	(3y)/4+6=y/4	$\frac{3 y}{4} + 6 = \frac{y}{4}$
40458	Resolva para y	(3y)/4=y/12	$\frac{3 y}{4} = \frac{y}{12}$
40459	Resolva para y	(3y)/8-5/6=y/3-5/2	$\frac{3 y}{8} - \frac{5}{6} = \frac{y}{3} - \frac{5}{2}$
40460	Resolva para y	(3y)/8-9=13+y/8	$\frac{3 y}{8} - 9 = 13 + \frac{y}{8}$
40461	Resolva para y	(3y+14)/4+(y+29)/5=15	$\frac{3 y + 14}{4} + \frac{y + 29}{5} = 15$
40462	Resolva para y	(3y+18)/(4y)+(y^2-4y-12)/(4y)=1	$\frac{3 y + 18}{4 y} + \frac{y^{2} - 4 y - 12}{4 y} = 1$
40463	Resolva para y	(3y+5y)/3=8	$\frac{3 y + 5 y}{3} = 8$
40464	Resolva para y	(3y-1)/4+4/(y+1)=5/2	$\frac{3 y - 1}{4} + \frac{4}{y + 1} = \frac{5}{2}$
40465	Resolva para y	(-3y-y)/2=0	$\frac{- 3 y - y}{2} = 0$
40466	Resolva para y	(4(y-2))/2=(4(y+2))/10	$\frac{4 (y - 2)}{2} = \frac{4 (y + 2)}{10}$
40467	Resolva para y	4.820^2 = square root of 779.4y	${4.82}^{2} = \sqrt{779.4 y}$
40468	Resolva para y	4/15=y/368	$\frac{4}{15} = \frac{y}{368}$
40469	Resolva para y	4/(2y+1)-y/(y-3)=(-3y^2+3y+37)/(2y^2-5y-3)	$\frac{4}{2 y + 1} - \frac{y}{y - 3} = \frac{- 3 y^{2} + 3 y + 37}{2 y^{2} - 5 y - 3}$
40470	Resolva para y	4/3y=16	$\frac{4}{3} y = 16$
40471	Resolva para y	4/3y-1/6=1/3	$\frac{4}{3} y - \frac{1}{6} = \frac{1}{3}$
40472	Resolva para y	4/3y+4/3y=-4/3-7/3	$\frac{4}{3} y + \frac{4}{3} y = - \frac{4}{3} - \frac{7}{3}$
40473	Resolva para y	4/3y=-12	$\frac{4}{3} y = - 12$
40474	Resolva para y	4/3y=-16	$\frac{4}{3} y = - 16$
40475	Resolva para y	4/3y=-24	$\frac{4}{3} y = - 24$
40476	Resolva para y	4/3y=36	$\frac{4}{3} y = 36$
40477	Resolva para y	-4/3y-5=1/4y-5/3	$- \frac{4}{3} y - 5 = \frac{1}{4} y - \frac{5}{3}$
40478	Resolva para y	4/30=2/y	$\frac{4}{30} = \frac{2}{y}$
40479	Resolva para y	4/32=y/16	$\frac{4}{32} = \frac{y}{16}$
40480	Resolva para y	4/5+3y=0.4	$\frac{4}{5} + 3 y = 0.4$
40481	Resolva para y	-4/5+y=-2/3	$- \frac{4}{5} + y = - \frac{2}{3}$
40482	Resolva para y	4/5=1/3+y	$\frac{4}{5} = \frac{1}{3} + y$
40483	Resolva para y	4/5=6/y-1	$\frac{4}{5} = \frac{6}{y} - 1$
40484	Resolva para y	4/5=y/15	$\frac{4}{5} = \frac{y}{15}$
40485	Resolva para y	4/5y-5/3=-5/3y+5	$\frac{4}{5} y - \frac{5}{3} = - \frac{5}{3} y + 5$
40486	Resolva para y	4/5y-5/8y=y-1/4	$\frac{4}{5} y - \frac{5}{8} y = y - \frac{1}{4}$
40487	Resolva para y	4/5y+2=6	$\frac{4}{5} y + 2 = 6$
40488	Resolva para y	4/5y=-9/10y+5	$\frac{4}{5} y = - \frac{9}{10} y + 5$
40489	Resolva para y	4/6=y/3	$\frac{4}{6} = \frac{y}{3}$
40490	Resolva para y	4/7y+1/2=9/2	$\frac{4}{7} y + \frac{1}{2} = \frac{9}{2}$
40491	Resolva para y	4/7y+16=6/7y-4	$\frac{4}{7} y + 16 = \frac{6}{7} y - 4$
40492	Resolva para y	-4/7y=8/35	$- \frac{4}{7} y = \frac{8}{35}$
40493	Resolva para y	4/7y=-12	$\frac{4}{7} y = - 12$
40494	Resolva para y	4/7y=5 1/3	$\frac{4}{7} y = 5 \frac{1}{3}$
40495	Resolva para y	4/y-5/3=-1/5	$\frac{4}{y} - \frac{5}{3} = - \frac{1}{5}$
40496	Resolva para y	4/y+5/7=3/(7y)	$\frac{4}{y} + \frac{5}{7} = \frac{3}{7 y}$
40497	Resolva para y	4/y=11/17	$\frac{4}{y} = \frac{11}{17}$
40498	Resolva para y	4/y=16/24	$\frac{4}{y} = \frac{16}{24}$
40499	Resolva para y	4/y=3/30	$\frac{4}{y} = \frac{3}{30}$
40500	Resolva para y	4/y=6/(5/18)	$\frac{4}{y} = \frac{6}{\frac{5}{18}}$