SOLUTION: What is the answer to this equation? X+Y=14 Y=X+4

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Question 430053: What is the answer to this equation?
X+Y=14
Y=X+4
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
X +Y=14
Y=X+4
Subsituting for Y, we get:
X+(X+4)=14
2X+4=14
2X=10
X=5
Y=X+4=9.