SOLUTION: x + y = 1 2x - 3y = 12

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Question 289602: x + y = 1
2x - 3y = 12
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.x+%2B+y+=+1
2.2x+-+3y+=+12
Multiply eq. 1 by 3 and add to eq. 2 to solve for x.
3x%2B3y%2B2x-3y=3%2B12
5x=15
highlight%28+x=3%29
Now use either eq. 1 or eq. 2 to solve for y.
x%2By=1
3%2By=1
highlight%28+y=-2%29