SOLUTION: solve by system of addition 3x + 5y = -11 x - 2y = 11

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Question 206602: solve by system of addition 3x + 5y = -11
x - 2y = 11
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
3x + 5y = -11
x - 2y = 11 multiply by -3 & add.
-3x+6y=-33
3x+5y=-11
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11y=-44
y=-44/11
y=-4 ans.
3x+5*-4=-11
3x-20=-11
3x=-11+20
3x=9
x=9/3
x=3 ans.
Proof:
3-2*-4=11
3+8=11
11=11