Question

por favor me ajudem​

Answer 1

Resposta:

$2ax-3a=18\\2ax=18+3a\\x=\frac{18+3a}{2a}$

$5x-a=15+a\\5x=15+a+a\\x=\frac{15+2a}{5}$

$5x-15a=18\\5x=18+15a\\x=\frac{15a+18}{5}$