SOLUTION: Solve the following system of equations:
x+y=3
x-y=9
Algebra.Com
Question 173439: Solve the following system of equations:
x+y=3
x-y=9
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Solve the following system of equations:
x+y=3
x-y=9
--------
There are several ways to do these, but the quickest and simplest for this pair is to add the 2 eqns.
x+y=3
x-y=9
2x = 12
x = 6
-------
y = -3
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