SOLUTION: please help me solve this problem. Solve the system: X+y=-5 2x-y=-7

Algebra.Com
Question 181129: please help me solve this problem.
Solve the system:
X+y=-5
2x-y=-7

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
please help me solve this problem.
Solve the system:
X+y=-5
2x-y=-7
-------------
Add the two equations to get:
3x = -12
x = -4
-----------
Substitute into x+y = -5 to solve for "y":
-4 + y = -5
y = -1
--------------
Cheers,
Stan H.

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