Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
11901	Solve for x	3^(2x)+3^x-56=0	$3^{2 x} + 3^{x} - 56 = 0$
11902	Solve for x	3^(2x)-3^x-6=0	$3^{2 x} - 3^{x} - 6 = 0$
11903	Solve for x	3^(1-9x)=7^x	$3^{1 - 9 x} = 7^{x}$
11904	Solve for x	3^2=x^2-7	$3^{2} = x^{2} - 7$
11905	Solve for x	3^(1-7x)=4^x	$3^{1 - 7 x} = 4^{x}$
11906	Solve for x	3^(1-x)=9^(2x)	$3^{1 - x} = 9^{2 x}$
11907	Solve for x	x^(3/5)=-27	$x^{\frac{3}{5}} = - 27$
11908	Solve for x	3^(5x)*9^(x^2)=27	$3^{5 x} \cdot 9^{x^{2}} = 27$
11909	Solve for x	3^(6x-3)=81	$3^{6 x - 3} = 81$
11910	Solve for x	3^(8-x)=27^(2-x)	$3^{8 - x} = 27^{2 - x}$
11911	Solve for x	3^(4x-3)=81	$3^{4 x - 3} = 81$
11912	Solve for x	3^(4-x)=5	$3^{4 - x} = 5$
11913	Solve for x	3^(3x+9)=2	$3^{3 x + 9} = 2$
11914	Solve for x	3^(x+1)=15	$3^{x + 1} = 15$
11915	Solve for x	3^x=69	$3^{x} = 69$
11916	Solve for x	3^(3x-6)=1/9	$3^{3 x - 6} = \frac{1}{9}$
11917	Solve for x	3^(-x)=2.7	$3^{- x} = 2.7$
11918	Solve for x	x^2-12x+45=0	$x^{2} - 12 x + 45 = 0$
11919	Solve for x	3^x=50	$3^{x} = 50$
11920	Solve for x	3^(x-5)=1/81	$3^{x - 5} = \frac{1}{81}$
11921	Solve for x	3^(x-7)=1/81	$3^{x - 7} = \frac{1}{81}$
11922	Solve for x	3^(x-3)=5	$3^{x - 3} = 5$
11923	Solve for x	3^(x+6)=27	$3^{x + 6} = 27$
11924	Solve for x	36^x-6^x=6	$36^{x} - 6^{x} = 6$
11925	Solve for x	32^(x-1)=4^(x+5)	$32^{x - 1} = 4^{x + 5}$
11926	Solve for x	32^x=16	$32^{x} = 16$
11927	Solve for x	30/(1+e^(-x))=3	$\frac{30}{1 + e^{- x}} = 3$
11928	Solve for x	3000/(2+e^(2x))=2	$\frac{3000}{2 + e^{2 x}} = 2$
11929	Solve for x	(3x)/2-x=x/10-4/5	$\frac{3 x}{2} - x = \frac{x}{10} - \frac{4}{5}$
11930	Solve for x	36^x-4*6^x=-4	$36^{x} - 4 \cdot 6^{x} = - 4$
11931	Solve for x	36^x-6*6^x=-9	$36^{x} - 6 \cdot 6^{x} = - 9$
11932	Solve for x	36^(x+1)=6^(x+6)	$36^{x + 1} = 6^{x + 6}$
11933	Solve for x	(3x)/(x-1)+2/x=3/(x^2-x)	$\frac{3 x}{x - 1} + \frac{2}{x} = \frac{3}{x^{2} - x}$
11934	Solve for x	(3x+1)/(6x-2)=(2x+5)/(4x-13)	$\frac{3 x + 1}{6 x - 2} = \frac{2 x + 5}{4 x - 13}$
11935	Solve for x	(3x-3)/6=2	$\frac{3 x - 3}{6} = 2$
11936	Solve for x	4^(2-x)=7^(3-x)	$4^{2 - x} = 7^{3 - x}$
11937	Solve for x	4^(2x)=8^(x-1)	$4^{2 x} = 8^{x - 1}$
11938	Solve for x	4^(2x)=16	$4^{2 x} = 16$
11939	Solve for x	4^(1-2x)=7^x	$4^{1 - 2 x} = 7^{x}$
11940	Solve for x	4^(1-9x)=5^x	$4^{1 - 9 x} = 5^{x}$
11941	Solve for x	4^(2x)-5*4^(x+1/2)+16=0	$4^{2 x} - 5 \cdot 4^{x + \frac{1}{2}} + 16 = 0$
11942	Solve for x	4^(1-3x)=3^x	$4^{1 - 3 x} = 3^{x}$
11943	Solve for x	4^(3x)=1056	$4^{3 x} = 1056$
11944	Solve for x	4^(2x+1)-17*4^x+4=0	$4^{2 x + 1} - 17 \cdot 4^{x} + 4 = 0$
11945	Solve for x	4^(2x-1)=3^(2x-3)	$4^{2 x - 1} = 3^{2 x - 3}$
11946	Solve for x	4^(2x-1)=3^x	$4^{2 x - 1} = 3^{x}$
11947	Solve for x	4/(x-1)+6/(3x+1)=15/(3x+1)	$\frac{4}{x - 1} + \frac{6}{3 x + 1} = \frac{15}{3 x + 1}$
11948	Solve for x	-4/(x-1)=7/(2-x)+3/(x+1)	$- \frac{4}{x - 1} = \frac{7}{2 - x} + \frac{3}{x + 1}$
11949	Solve for x	4/(x-2)=3/(x-1)	$\frac{4}{x - 2} = \frac{3}{x - 1}$
11950	Solve for x	4^(x-1)=67	$4^{x - 1} = 67$
11951	Solve for x	4^(x-1)=3^x	$4^{x - 1} = 3^{x}$
11952	Solve for x	4^(-x/3)=0.0052	$4^{- \frac{x}{3}} = 0.0052$
11953	Solve for x	4^(2/( log base 3 of x))=1/256	$4^{\frac{2}{\log_{3} (x)}} = \frac{1}{256}$
11954	Solve for x	4/(5x+2)-12/(15x+6)=0	$\frac{4}{5 x + 2} - \frac{12}{15 x + 6} = 0$
11955	Solve for x	4/x=14/(5x)+2	$\frac{4}{x} = \frac{14}{5 x} + 2$
11956	Solve for x	5/(x-5)=x/(x-5)-1	$\frac{5}{x - 5} = \frac{x}{x - 5} - 1$
11957	Solve for x	5^(x^2)=625^x	$5^{x^{2}} = 625^{x}$
11958	Solve for x	5^(x^3-x)=1	$5^{x^{3} - x} = 1$
11959	Solve for x	5/(2x-3)=3/(x+5)	$\frac{5}{2 x - 3} = \frac{3}{x + 5}$
11960	Solve for x	5/(2x+3)+1/(x-6)=0	$\frac{5}{2 x + 3} + \frac{1}{x - 6} = 0$
11961	Solve for x	(4x)/(x+3)-4=(x-23)/(x-3)	$\frac{4 x}{x + 3} - 4 = \frac{x - 23}{x - 3}$
11962	Solve for x	(4x+21)/3-3/6=(-13x-24)/6	$\frac{4 x + 21}{3} - \frac{3}{6} = \frac{- 13 x - 24}{6}$
11963	Solve for x	5/4x+1/2=x-1/2	$\frac{5}{4} x + \frac{1}{2} = x - \frac{1}{2}$
11964	Solve for x	5/6x-4x+8/3=5/3	$\frac{5}{6} x - 4 x + \frac{8}{3} = \frac{5}{3}$
11965	Solve for x	5/x+x/(x+2)=4/(x^2+2x)	$\frac{5}{x} + \frac{x}{x + 2} = \frac{4}{x^{2} + 2 x}$
11966	Solve for x	4^(x-2)=64	$4^{x - 2} = 64$
11967	Solve for x	4^(x-3)=16^(2x)	$4^{x - 3} = 16^{2 x}$
11968	Solve for x	4^(x-3)=6^(2x-1)	$4^{x - 3} = 6^{2 x - 1}$
11969	Solve for x	4^(x-4)=8^(1-x)	$4^{x - 4} = 8^{1 - x}$
11970	Solve for x	40/(x-2)=1+42/(x+2)	$\frac{40}{x - 2} = 1 + \frac{42}{x + 2}$
11971	Solve for x	49^x-6*7^x=-9	$49^{x} - 6 \cdot 7^{x} = - 9$
11972	Solve for x	49^x+7^(x+1)-18=0	$49^{x} + 7^{x + 1} - 18 = 0$
11973	Solve for x	(4x+3)/(3x-4)=6	$\frac{4 x + 3}{3 x - 4} = 6$
11974	Solve for x	49^(x-1)=7 square root of 7	$49^{x - 1} = 7 \sqrt{7}$
11975	Solve for x	(4x)/(x+4)+3/(x-1)=15/(x^2+3x-4)	$\frac{4 x}{x + 4} + \frac{3}{x - 1} = \frac{15}{x^{2} + 3 x - 4}$
11976	Solve for x	4^(3x-4)=16	$4^{3 x - 4} = 16$
11977	Solve for x	4^(-3x)=0.10	$4^{- 3 x} = 0.1$
11978	Solve for x	4^(4x-4)=8^(4-x)	$4^{4 x - 4} = 8^{4 - x}$
11979	Solve for x	4^(4x-7)=3^(9x-6)	$4^{4 x - 7} = 3^{9 x - 6}$
11980	Solve for x	4^(4x+1)=64	$4^{4 x + 1} = 64$
11981	Solve for x	4^(3x-14)=256	$4^{3 x - 14} = 256$
11982	Solve for x	4^x+2^(x+1)-35=0	$4^{x} + 2^{x + 1} - 35 = 0$
11983	Solve for x	(x-9)^2=(x+3)^2	${(x - 9)}^{2} = {(x + 3)}^{2}$
11984	Solve for x	4^x=64^(2x-10)	$4^{x} = 64^{2 x - 10}$
11985	Solve for x	4^(x-x^2)=1/2	$4^{x - x^{2}} = \frac{1}{2}$
11986	Solve for x	4^(5x-2)=5^x	$4^{5 x - 2} = 5^{x}$
11987	Solve for x	4^(x-1)=32	$4^{x - 1} = 32$
11988	Solve for x	4^(x-2)=1/16	$4^{x - 2} = \frac{1}{16}$
11989	Solve for x	4^(x+5)=8	$4^{x + 5} = 8$
11990	Solve for x	4^(x+2)=9	$4^{x + 2} = 9$
11991	Solve for x	4^(x+3)=32	$4^{x + 3} = 32$
11992	Solve for x	4^(x+1)=e^(x-1)	$4^{x + 1} = e^{x - 1}$
11993	Solve for x	4^(x+1)=1024	$4^{x + 1} = 1024$
11994	Solve for x	4^x=20	$4^{x} = 20$
11995	Solve for x	4^x=4 square root of 3	$4^{x} = 4 \sqrt{3}$
11996	Solve for x	4^x=72	$4^{x} = 72$
11997	Solve for x	4^x=1	$4^{x} = 1$
11998	Solve for x	4^x=3^(x+1)	$4^{x} = 3^{x + 1}$
11999	Solve for x	4^x = seventh root of 1/16	$4^{x} = \sqrt[7]{\frac{1}{16}}$
12000	Solve for x	5^(2x)+5^(x+1)-14=0	$5^{2 x} + 5^{x + 1} - 14 = 0$