SOLUTION: 2x-y=3 x-2y=-6

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Question 114906:
2x-y=3
x-2y=-6

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
X-2Y=-6 OR X=2Y-6 NOW SUBSTITUTE (2Y-6) FOR X IN THE OTHER EQUATRION & SOLVE FOR Y:
2(2Y-6)-Y=3
4Y-12-Y=3
3Y=3+12
3Y=15
Y=15/3
Y=5 ANSWER.
X-2*5=-6
X-10=-6
X=-6+10
X=4 ANSWER.
PROOF
2*4-5=3
8-5=3
3=3