SOLUTION: I am trying to solve a system of equations by using substitution. I can't figure out how to solve and need to know the answer to: (?,?) -x+y=-4 y=2x-11 Please help!

Question 819129: I am trying to solve a system of equations by using substitution.
I can't figure out how to solve and need to know the answer to:
(?,?) -x+y=-4
y=2x-11
Please help!
-Thanks
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
-x+y=-4
y=2x-11
------
Substitute for "y" and solve for "x"::
-x + (2x-11) = -4
-x + 2x = 7
x = 7
-----
Solve for "y":
y = 2x-11
y = 2*7-11
y = 3
-----------
Cheers,
Stan H.
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