Solve the exponential equation by expressing each side as a power of the same base and then equating exponents.

Question

Solve the exponential equation by expressing each side as a power of the same base and then equating exponents.

2^x =128

Answer 1

2^x = 128 = 16(8)= 2^4(2^3) = 2^7

x = 7

2(2)(2)(2)(2)(2)(2) = 128