Question

3+y=5 2×+3y=2 me ajudem!!!

Answer 1

3+y=5 .(-3)
2x+3y=2

-9-3y=-15
2x+3y=2
_______
2x-9=-13
2x=9-13
2x=-4
x=-4/2
x=-2

3+y=5
y=5-3
y=2

S={(-2;2)}