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OpenStudy (anonymous):
Find the solution by the addition method.Check answers. A) 2x+3y=1 x-2y=4
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OpenStudy (e.mccormick):
What part of this is giving you trouble?
OpenStudy (e.mccormick):
If it is the addition part, you find a way to make one variable set up to remove itself from the equations when they are added. For example, you have both a 2x and an x. If you multiply the entire second equation by -2, that x part would be a -2x. The other parts would also change, but when you added the two equations together the Xes would cancel and you could solve for y.
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