SOLUTION: Solve the system by addition. x + y = 4 x – y = 10

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Question 63444This question is from textbook
: Solve the system by addition.
x + y = 4
x – y = 10
 This question is from textbook

Answer by rchill(405) About Me  (Show Source):
You can put this solution on YOUR website!
Adding the two together yields 2x=14 or x=7. That means y=-3.