SOLUTION: find the numbers whose sum is 15, if twice the first number minus the second number equals 6. I have: 2x-y=6 anything close?

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Question 614492: find the numbers whose sum is 15, if twice the first number minus the second number equals 6.
I have:
2x-y=6 anything close?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
good start
but you left out the rest
x+y=15
2x-y=6
now you have two equations with two unknowns.
solve both for y
y=15-x
2x-6=y
15-x=2x-6
21=3x
7=x
y=8
check
2x-y=6
14-8=6
ok