SOLUTION: Solve the system of equations. a)x+y=8 x-y=2

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Question 178508This question is from textbook
: Solve the system of equations.
a)x+y=8
x-y=2
This question is from textbook

Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
x+y=8
x-y=2
:
solve by elimination. These are set up with no manipulation of equations. Just add the two equations together. the y terms are eliminated because +y-y=0. We are left with x+x=2+8
:
2x=10
:
highlight%28x=5%29
:
take x's found value and plug it back into either equation. I will use eq 2
:
5-y=2
:
-y=-3
:
highlight%28y=3%29