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OpenStudy (anonymous):
Solve the system of linear equations below. y = -2x + 19 y = x + 7
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OpenStudy (uri):
2x+y=19 -x+y=7 Multiply the first equation by 2 and the second equation by 4 2(2x+y=19) 4(-x+y=7) Multiply and subtract them :)
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