SOLUTION: 4x + y = 7 and 3x - y = 7 then x + y = ?

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Question 340050: 4x + y = 7 and 3x - y = 7 then x + y = ?
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
4x + y = 7
3x - y = 7
-----------add
7x======14
x=2
y=-1
.
x+y=2-1=1
.
Ed