Question

5x + 4 - 2y = 20 descubra o valor do X e o valor do Y

Answer 1

Resposta:

$5x + 4 - 2y = 20\\\\\frac{5}{2}x-8:\quad \frac{2x+16}{5}\\\\\frac{5}{2}x-8:\quad m=\frac{5}{2}\\\\\frac{5}{2}x-8\\\\m=\frac{5}{2}\\\\y=\frac{5}{2}x-8$