SOLUTION: How do I solve the system by addition. –5x + 2y = 10 x – 3y = 11

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Question 60468: How do I solve the system by addition.
–5x + 2y = 10
x – 3y = 11

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
X-3Y=11
X=11+3Y
-5(11+3Y)+2Y=10
-55-15Y+2Y=10
-13Y=65
Y=65/-13
Y=-5
X-3*-5=11
X+15=11
X=11-15
X=-4