SOLUTION: -5x+6y=-8 -8x+9y=-11

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Question 314343: -5x+6y=-8
-8x+9y=-11
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
-5x+6y=-8 multiply by 3
-8x+9y=-11 multiply by -2 & add.
-15x+18y=-24
16x-18y=22
----------------
x=-2 ans.
-5*-2+6y=-8
10+6y-8
6y=-8-10
6y=-18
y=-18/6
y=-3 ans.
Proof:
-8*-2+9*-3=-11
16-27=-11
-11=-11