Question

{ (8x+3y=-1
{
{5x+2y = 15;​

Answer 1

{8x + 3y = -1 / *(-2)
{5x + 2y = 15 / *3

{-16x - 6y = 2
+
{15x + 6y = 45

-x = 47
x = -47

5*(-47) + 2y = 15
-235 + 2y = 15
2у = 250
y = 125