Question 220150
2x + 3y = -1 multiply by 2.
5x - 2y = -12 multiply by 3 & add.
4x+6y=-2
15x-6y=-36
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19x=-38
y=-38/19
x=-38/19
x=-2 ans.
2*-2+3y=-1
-4+3y=-1
3y=-1+4
3y=3
y=1 ans.
Proof:
(5*-2)-(2*1)=-12
-10-2=-12
-12=-12
(-2,1)