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OpenStudy (anonymous):
Solve the system by substitution 2x+y=-11 3x-4y=11
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OpenStudy (anonymous):
Solve the first one for y. \[y = -11 - 2x\] Then you can substitute that into the second one.
OpenStudy (anonymous):
\[3x - 4(-11 - 2x) = 11\]
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