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OpenStudy (anonymous):
Answer to the system by elimination -x - 7y=14. -4x - 14y=28
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OpenStudy (zehanz):
First make a choice: do you want to eliminate x or y?
OpenStudy (anonymous):
(-x-7y=14)*-2 This now equals 2x+14y=-28 2x+14y=-28 -4x-14y=28 (subtract bottom equation from top) now you have -2x=0 x=0 Plug in x in an equation -4(0)-14y=28 -14y=28 y=-2 (0, -2)
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