Question

7x+2y=-3
2x-3y=-8
Metodo de reduccion

Answer 1

7x+2y=-3 (7x+2y)3=(-3)3

2x-3y=-8 (2x-3y)2=(-8)2

21x + 6y= -9

4x - 6y= -16

_____________

25x= -25

x= 1