Question

Resolva a equação:

2^2x-3=5

Answer 1

( 2 ) 2x - 3 = 5

(2)2x = 5+ 3
( 2)2x = 8
(2) 2x = (2)3
2x = 3
x = 3/ 2

Answer 2

$\Large \begin{array}{l} 2^{2x}-3=5 \\ \\ 2^{2x}=5+3 \\ \\ 2^{2x}= 8 \\ \\ 2^{2x}=2^{3} \\ \\ Ou~seja: \\ \\ 2x = 3 \\ \\ \boxed{x = \frac{3}{2} }\end$