Question

O inverso da raiz 7x = 9 - 3 (X + 1) =

Answer 1

Achemos a raiz:

$7x=9-3x-3\\7x+3x=9-3\\10x=6\\\\x=\frac{6}{10}\\\\x=\frac{3}{5}$
 
Portanto, $\boxed{\frac{5}{3}}$ é a resposta!