Problem : Solve for x: 2x+4 = 16.

x = 0.

Problem : Solve for x: 32x = 12.

x 1.13.

Problem : Solve for x: 6·74-x = 54.

x 2.87.

Problem : Solve for x: 4x(2x-2) = 128.

x = 3.

Problem : Solve for x: log8x + log8(7x - 9) = .

x = .

Problem : Solve for x: 2 log3x + log3(2x - 1) - log3x = 1.

x = .

Problem : Solve for x: log-x(x2 - 9x - 9) = 3.

x = - 3.

Problem : Find the inverse of f (x) = 2x+3.

f-1(x) = log2x - 3.

Problem : Find the inverse of f (x) = 3x-4 + 5.

f-1(x) = log3(x - 5) + 4.