SOLUTION: 3x-y=-2 5x+2y=15

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Question 983240: 3x-y=-2 5x+2y=15
Answer by macston(5194) About Me  (Show Source):
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3x-y=-2
3x+2=y Use this to substitute for y below.
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5x+2y=15 Substitute for y from above.
5x+2(3x+2)=15
5x+6x+4=15
11x=11
x=1
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3x-y=-2
3(1)-y=-2
3-y=-2
-y=-5
y=5
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CHECK:
3x-y=-2
3(1)-5=-2
3-5=-2
-2=-2
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5x+2y=15
5(1)+2(5)=15
5+10=15
15=15