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2x -y=-1
3x-2y=1
elimination somebody do this for me

User Xval
by
7.8k points

2 Answers

3 votes
-2(2x-y)=-1
3x-2y=1

-4x+2y=2
3x-2y=1

-x=3 (x=-3)
(-3,__)

2(-3)-y=-1
-6-y=-1
-y=-1+6
-y=5
y=-5
so..(-3,-5)


User Emiguevara
by
8.3k points
3 votes
2x-y=-1 (1)
3x-2y=1 (2)
(1) * 2--> 4x-2y=-2 (3)
(3) - (2)
x= -3

sub x= -3 into (1)
2(-3)-y=-1
-6-y=-1
-y=5
y= -5
User Mattan Bitner
by
8.0k points

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