SOLUTION: how do solve for the linear combination?

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Question 108237: how do solve for the linear combination?
Answer by elima(1433) About Me  (Show Source):
You can put this solution on YOUR website!
Linear combination would also be elimination method, you add two equations together;
2x+2w=48
x-2w=12
--------
3x=60
x=20
Then you substitute x in either equation for 20 and solve for w;
2(20)+2w=48
40+2w=48
2w=8
w=4
:)