Question

me ajudem
-2x+3y para x= -1 e y= -2​

Answer 1

Resposta:

$-2x+3y=-2:\quad y=\frac{2}{3}x-\frac{2}{3}\\\\\frac{2}{3}x-\frac{2}{3}\\\\\frac{2}{3}x-\frac{2}{3}:\\\\\frac{2}{3}x-\frac{2}{3}:\quad \frac{3x+2}{2}\\\\\frac{2}{3}x-\frac{2}{3}:\quad m=\frac{2}{3}\\\\m=\frac{2}{3}$