Question

me ajuda
resoolva os sistemas
x=2=5
3x-2y=-17

outraaa
3x+y=-11
2x-y=-9

Answer 1

Resposta:

3.5-2y=-17

15-2y=-17

-2y=-32

y=(-32)/(-2)=16

5x+y-y=-11-9

5x=-20

x=-20/5

x=-4