Question

3x + 2y = -5 e x - 2y = -7 me ajudem

Answer 1

$\left\{ \begin{array}{l} 3x + 2y = -5\\ x - 2y = -7 \end{array}\right.\\\\\\3x+x+2y-2y=-5-7\\4x=-12\\\\\displaystyle x=\frac{-12}{4}\\\\x=-3\\\\x-2y=-7\\-3-2y=-7\\-2y=-4\\y=2$