Find the value of `x: 2^(2x+1) = 8`

Find the value of x : (2x)/5 = 8/7

Find the value of x if 2^(2x-1)=8^(x-3)

Find the value of x : 2(x-1) - 3( x -3 ) = 5 ( x -5 ) - 4 ( x - 8 )

Find the value of x^(2)-2x at x=-1

If x = (1)/(3-sqrt(8)) , find the value of x^(3)- 2x^(2) -78x + 5

Find the value of : ( x^(1/2 ) + x^(-1/2 ) ) times ( x^(1/4 ) + x^(-1/4 ) ) times ( x^(1/8 ) + x^(-1/8 ) ) times ( x^(1/8 ) - x^(-1/8 ) ) ( a ) x + 1/x ( b ) ( x^2 -1 )/x

If 4^(x)=256, then find the value of 6^(2x-8)

Find the value of x if |2x+6|=-8