SOLUTION: x - y = 0 2x + y = 12

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Question 804092: x - y = 0
2x + y = 12
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
solve by substitution or elimination
sub
x-y=0
x=y
2x+x=12
3x=12
x=4
y=4
eliminate
x-y=0
2x+y=12
add
3x=12
x=4
4-y=0
4=y