SOLUTION: x-2y=6 3x-6y=18 how many solutions does this equation have

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Question 349744: x-2y=6
3x-6y=18 how many solutions does this equation have
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
x-2y=6 multiply by 3 & add.
3x-6y=18
3x-6y=18
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6x=36
x=36/6
x=6 ans.
6-2y=6
-2y=6-6
-2y=0
y=0 ans.
Proof:
3*6-6*0=18
18+0=18
18=18
One solution: (6,0).