Solve `15 + 5x = 92 - 2x` Simplify `2\ 1/2 -:3\ 1/3\ "of"\ 2\ 1/4`

Solve for x : 2^(5x - 1) = 4 xx 2^(3x + 1)

Solve : 3(x+4)-2(x-1)=15

Simplify: x^2-3x+5-1/2(3x^2-5x+7)

Simplify: {(2/3)^2}^3x\ (1/3)^(-4)x\ 3^(-1)x\ 6^(-1)

Simplify: (5x+3)(x-1)(3x-2)

Simplify: (5x+3)(x-1)(3x-2)

Simplify: (3x-2)(2x-3)+\ (5x-3)(x+1)

Solve : (2x^2 - 3x+1) (2x^2 + 5x + 1) = 9x^2 .

Use the product [(1,-1,2),(0,2,-3),(3,-2,4)][(-2,-0,1),(9,2,-3),(6,1,-2)] to solve the system of equations x - y + 2z = 1 2y - 3z = 1 3x - 2y + 4z = 2

Solve for x (1)/( 2x -3) + (1)/(x -5) =1," " x ne 3/2,5