Question

What is the solution to the equation 2^x+4-12=20

Answer 1

x = ln(28)/ln(2)

Explanation:

2^x+4-12=20

2^x-8=20

2^x=28

x=ln(28)/ln(2)

Answer 2

2^x+4 -12=20

2^x+4 = 20+12

2^x+4 = 32

2^x+4 = 2^5

x+4 = 5

x = 1