Question

1- RESOLVA 18X-93=87
OS={18}
O S={180}
OS={10}
O S={11}​

Answer 1

Resposta:

$18x - 93 = 87 \\ 18x = 87 + 93 \\ 18x = 180 \\ x = \frac{180}{18} \\ x = 10$