Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
11801	Solve for x	e^(2x)=1.9	$e^{2 x} = 1.9$
11802	Solve for x	e^(2x)-3e^x=4	$e^{2 x} - 3 e^{x} = 4$
11803	Solve for x	e^(2x)-3e^x-18=0	$e^{2 x} - 3 e^{x} - 18 = 0$
11804	Solve for x	e^(2x)-11e^x+30=0	$e^{2 x} - 11 e^{x} + 30 = 0$
11805	Solve for x	e^(2x)-12e^x+35=0	$e^{2 x} - 12 e^{x} + 35 = 0$
11806	Solve for x	e^(2x)-3e^x-28=0	$e^{2 x} - 3 e^{x} - 28 = 0$
11807	Solve for x	e^(2x)-5e^x-6=0	$e^{2 x} - 5 e^{x} - 6 = 0$
11808	Solve for x	e^(2x)-6e^x+9=0	$e^{2 x} - 6 e^{x} + 9 = 0$
11809	Solve for x	e^(2x+1)=200	$e^{2 x + 1} = 200$
11810	Solve for x	e^(2x)+2e^x-35=0	$e^{2 x} + 2 e^{x} - 35 = 0$
11811	Solve for x	e^(2x)+2e^x-8=0	$e^{2 x} + 2 e^{x} - 8 = 0$
11812	Solve for x	e^(2x)-e^x-20=0	$e^{2 x} - e^{x} - 20 = 0$
11813	Solve for x	e^(2x)-e^x-56=0	$e^{2 x} - e^{x} - 56 = 0$
11814	Solve for x	e^(2x)+e^x-2=0	$e^{2 x} + e^{x} - 2 = 0$
11815	Solve for x	e^(19x)=23	$e^{19 x} = 23$
11816	Solve for x	e^(1-x)=4	$e^{1 - x} = 4$
11817	Solve for x	e^(2-3x)=5-3x	$e^{2 - 3 x} = 5 - 3 x$
11818	Solve for x	e^(2 natural log of x)=9	$e^{2 \ln (x)} = 9$
11819	Solve for x	e^(x^2+6)=e^(5x)	$e^{x^{2} + 6} = e^{5 x}$
11820	Solve for x	e^(x^4)=1000	$e^{x^{4}} = 1000$
11821	Solve for x	e^(0.12x)=100	$e^{0.12 x} = 100$
11822	Solve for x	9^(x-1)=(1/3)^(2x)	$9^{x - 1} = {(\frac{1}{3})}^{2 x}$
11823	Solve for x	9^(x-1)=81	$9^{x - 1} = 81$
11824	Solve for x	9^(x+2)=27	$9^{x + 2} = 27$
11825	Solve for x	9^x=3/(3^x)	$9^{x} = \frac{3}{3^{x}}$
11826	Solve for x	9^x-3^x-6=0	$9^{x} - 3^{x} - 6 = 0$
11827	Solve for ?	cos(theta)=0	$\cos (θ) = 0$
11828	Solve for x	9^(x-4)=81	$9^{x - 4} = 81$
11829	Solve for x	(c- square root of 7)/(2a-5)=-1/x	$\frac{c - \sqrt{7}}{2 a - 5} = - \frac{1}{x}$
11830	Solve for x	9^(4x-1)=729	$9^{4 x - 1} = 729$
11831	Solve for x	9^(7x+3)=27	$9^{7 x + 3} = 27$
11832	Solve for x	9^x=3^10	$9^{x} = 3^{10}$
11833	Solve for x	9^(x^2-3)=81^x	$9^{x^{2} - 3} = 81^{x}$
11834	Solve for x	8^(-x-2)=237	$8^{- x - 2} = 237$
11835	Solve for x	8^(-x-8)=5^(-10x)	$8^{- x - 8} = 5^{- 10 x}$
11836	Solve for x	8^(x-2)=16^x	$8^{x - 2} = 16^{x}$
11837	Solve for x	81^(5x)=27^(x+4)	$81^{5 x} = 27^{x + 4}$
11838	Solve for x	8^(-x)=1/3	$8^{- x} = \frac{1}{3}$
11839	Solve for x	8^(x+4)=32^(3x)	$8^{x + 4} = 32^{3 x}$
11840	Solve for x	8/x+2=3/(2x)+13/4	$\frac{8}{x} + 2 = \frac{3}{2 x} + \frac{13}{4}$
11841	Solve for x	8^(x^2-2x)=1/2	$8^{x^{2} - 2 x} = \frac{1}{2}$
11842	Solve for x	8^(0.4x)=5	$8^{0.4 x} = 5$
11843	Solve for x	8/(x^2+6x)+(x-2)/(x+6)=1/x	$\frac{8}{x^{2} + 6 x} + \frac{x - 2}{x + 6} = \frac{1}{x}$
11844	Solve for x	8/(4x-8)-1=2/(x-2)	$\frac{8}{4 x - 8} - 1 = \frac{2}{x - 2}$
11845	Solve for x	8^x=(1/32)^(x-2)	$8^{x} = {(\frac{1}{32})}^{x - 2}$
11846	Solve for x	8^x=1/128	$8^{x} = \frac{1}{128}$
11847	Solve for x	8^(2x-4)=16^(2x+4)	$8^{2 x - 4} = 16^{2 x + 4}$
11848	Solve for x	8^(4x)=4.7	$8^{4 x} = 4.7$
11849	Solve for x	8^(2x)+8^x-30=0	$8^{2 x} + 8^{x} - 30 = 0$
11850	Solve for x	70/(1+e^(-x))=5	$\frac{70}{1 + e^{- x}} = 5$
11851	Solve for x	78.45/27.00=x/52.00	$\frac{78.45}{27} = \frac{x}{52}$
11852	Solve for x	7^x=6^x+7	$7^{x} = 6^{x} + 7$
11853	Solve for x	7^x=17	$7^{x} = 17$
11854	Solve for x	7^x=19	$7^{x} = 19$
11855	Solve for x	7^x=27	$7^{x} = 27$
11856	Solve for x	7^(x+1)=11^(2x)	$7^{x + 1} = 11^{2 x}$
11857	Solve for x	7^(2x-2)=49	$7^{2 x - 2} = 49$
11858	Solve for x	7^(7x)=13^(-x-8)	$7^{7 x} = 13^{- x - 8}$
11859	Solve for x	7/(x+1)+3/(x-1)=6/((x+1)(x-1))	$\frac{7}{x + 1} + \frac{3}{x - 1} = \frac{6}{(x + 1) (x - 1)}$
11860	Solve for x	-7/2*(x+6)+7x=-42	$- \frac{7}{2} \cdot (x + 6) + 7 x = - 42$
11861	Solve for x	7/x-1/(3x)=8/3	$\frac{7}{x} - \frac{1}{3 x} = \frac{8}{3}$
11862	Solve for x	7/(x+2)+3/(x-2)=1/(x-2)	$\frac{7}{x + 2} + \frac{3}{x - 2} = \frac{1}{x - 2}$
11863	Solve for x	7^(x^2)=7^(4x-3)	$7^{x^{2}} = 7^{4 x - 3}$
11864	Solve for x	7^(x^2)=8^(9-x)	$7^{x^{2}} = 8^{9 - x}$
11865	Solve for x	7^(x^2-48)=49^x	$7^{x^{2} - 48} = 49^{x}$
11866	Solve for x	7^(3x)=4^(1-2x)	$7^{3 x} = 4^{1 - 2 x}$
11867	Solve for x	7^(-4x)=2^(1+3x)	$7^{- 4 x} = 2^{1 + 3 x}$
11868	Solve for x	(6x)/(x-6)=9+(2x^2)/(x-6)	$\frac{6 x}{x - 6} = 9 + \frac{2 x^{2}}{x - 6}$
11869	Solve for x	64^(x-3)=1/16	$64^{x - 3} = \frac{1}{16}$
11870	Solve for x	7/(x^2)+19/x=6	$\frac{7}{x^{2}} + \frac{19}{x} = 6$
11871	Solve for x	6^x-2=14	$6^{x} - 2 = 14$
11872	Solve for x	625^(x-4)=25^(x+5)	$625^{x - 4} = 25^{x + 5}$
11873	Solve for x	6^x=38	$6^{x} = 38$
11874	Solve for x	6^x=2^(x+1)	$6^{x} = 2^{x + 1}$
11875	Solve for x	6^(2x)+6^x-56=0	$6^{2 x} + 6^{x} - 56 = 0$
11876	Solve for x	6^(8x)=216	$6^{8 x} = 216$
11877	Solve for x	6^x+10=47	$6^{x} + 10 = 47$
11878	Solve for x	6^(2x)+6^(x+1)-16=0	$6^{2 x} + 6^{x + 1} - 16 = 0$
11879	Solve for x	6^(5x)=216	$6^{5 x} = 216$
11880	Solve for x	6^(7x)=36	$6^{7 x} = 36$
11881	Solve for x	6^(7x)=4200	$6^{7 x} = 4200$
11882	Solve for x	6^((x-8)/8) = square root of 6	$6^{\frac{x - 8}{8}} = \sqrt{6}$
11883	Solve for x	6^(0.4x)=714	$6^{0.4 x} = 714$
11884	Solve for x	6^(1-4x)=7^x	$6^{1 - 4 x} = 7^{x}$
11885	Solve for x	6^(-2x)=6^(2-3x)	$6^{- 2 x} = 6^{2 - 3 x}$
11886	Solve for x	6^(2x-12)=36	$6^{2 x - 12} = 36$
11887	Solve for x	3/2x+1/3=1/4x-1/6	$\frac{3}{2} x + \frac{1}{3} = \frac{1}{4} x - \frac{1}{6}$
11888	Solve for x	3^(12-2x)=81	$3^{12 - 2 x} = 81$
11889	Solve for x	3^(12-4x)=81	$3^{12 - 4 x} = 81$
11890	Solve for x	3^(-4+6x)=27	$3^{- 4 + 6 x} = 27$
11891	Solve for x	3^(-4+8x)=27	$3^{- 4 + 8 x} = 27$
11892	Solve for x	3^(x-1)=29	$3^{x - 1} = 29$
11893	Solve for x	3^(6x+3)=1/27	$3^{6 x + 3} = \frac{1}{27}$
11894	Solve for x	3^(1-2x)=2^x	$3^{1 - 2 x} = 2^{x}$
11895	Solve for ?	sin(2theta)=-1/2	$\sin (2 θ) = - \frac{1}{2}$
11896	Solve for x	3^(2x)-24*3^x-81=0	$3^{2 x} - 24 \cdot 3^{x} - 81 = 0$
11897	Solve for x	3^(2x-6)=81	$3^{2 x - 6} = 81$
11898	Solve for x	3^(2x+5)=17	$3^{2 x + 5} = 17$
11899	Solve for x	3^(2x)+3^(x+1)-10=0	$3^{2 x} + 3^{x + 1} - 10 = 0$
11900	Solve for x	3^(2x)+35=12(3^x)	$3^{2 x} + 35 = 12 (3^{x})$