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OpenStudy (anonymous):
Solve the system of equations: 3x-y=10 2x-y=7
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OpenStudy (anonymous):
y=2x-7 from second equation --> 3x-(2x-7)=10 --> x + 7 = 10 --> x=3; y = 6-7 --> y = -1
OpenStudy (anonymous):
ok thanks
OpenStudy (anonymous):
Solve the system of equations: .5x-5y=30 .5x+7y=6
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