SOLUTION: I need to solve system of equations by addition method 10x+3y=-12 5x=-4y-16 I am lost on this problem also.

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Question 914419: I need to solve system of equations by addition method
10x+3y=-12
5x=-4y-16
I am lost on this problem also.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
10x+3y=-12
5x=-4y-16
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10x+3y=-12
5x+4y =-16
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Multiply the 2nd eqn by -2, then add.