Question

Solve for x. Show your work.
4^5x-4 = 64^2x+12

Answer 1

-22

Explanation:

4^5x-4 = 64^2x+12, which is, 4^3(2x+12)
So, 5x-4 = 3(2x + 12)
or 5x - 4 = 6x + 18
x = -22

Answer 2

Subtract 2x 2 x from 6x 6 x . Divide each term in 4x=2 4 x = 2 by 4 4 and simplify.