Question

Solve 8 = 2^x + 4.

Answer 1

Make the equation = 0.

Answer 2

x=2

Answer 3

No! x+4 is the exponent!

Answer 4

is 8 a power of 2 ?

Answer 5

yes. 2^3

Answer 6

so you have 2^3 = 2^(x+4)
you can equate the exponents

Answer 7

3=x+4
x=-1

Answer 8

notice all your problems depend on getting the same base on both sides.
try to do that on the next one.

Answer 9

ok! Thanks <3