Question

4x+2y=-12......a) 3x-y=-4.......b)​

Answer 1

Respuesta:

4x+2y=-12

$4x+2y-2y=-12-2y\\\\4x=-12-2y\\\\\frac{4x}{4}=-\frac{12}{4}-\frac{2y}{4}\\\\x=-\frac{y+6}{2}$

3x-y=-4

$3x-y+y=-4+y\\\\3x=-4+y\\\\\frac{3x}{3}=-\frac{4}{3}+\frac{y}{3}\\\\x=\frac{-4+y}{3}$