SOLUTION: Using substitution y=3+x 2x+y=8 can you show me how to do this problem

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Question 410265: Using substitution
y=3+x
2x+y=8
can you show me how to do this problem
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
y=3+x
2x+y=8
2x+3+x=8
3x=5
x=5/3
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2*5/3+y=8
10/3+y=8
y=8-10/3
y=24/3-10/3
y=14/3
y=4 2/3
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proof
y=3+x
14/3=3+5/3
14/3=9/3+5/3