SOLUTION: use the subsitution method to solve the linear systems.
1) y=x+3
3x-y=5
2) 4x+y=9
y=-7
3) 3x=9
-2x+y=-8
4) x-2y=-13
y=-2x-6
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Question 705863: use the subsitution method to solve the linear systems.
1) y=x+3
3x-y=5
2) 4x+y=9
y=-7
3) 3x=9
-2x+y=-8
4) x-2y=-13
y=-2x-6
Answer by lynnlo(4176) (Show Source): You can put this solution on YOUR website!
(1)y=7,,,x=4
(2)=========x=4,,,y==-7
(3)=========x=3,,,y=-2
(4)=========x=-5,,,y=4
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