SOLUTION: solve by using eihter addition or substitution 8x+11y=-16 2x+3y=-4

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Question 221008: solve by using eihter addition or substitution
8x+11y=-16
2x+3y=-4
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
8x+11y=-16
2x+3y=-4 --> -8x-12y=16
-8x-12y=16
8x+11y=-16
------------ Add
-y = 0
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x = -2