Question

3 elevado x-1 +3 elevado x+1=9​

Answer 1

Resposta:

$3x - 3 + 3x + 3 = 9 \\ 3x + 3x = 9 + 3 - 3 \\ 6x = 12 - 3 \\ 6x = 9 \\ x = \frac{9}{6} \: simplifica\ \\ x = \frac{3}{2}$