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OpenStudy (anonymous):
3x+y=-21 and x+y=-5 solve system of equations
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OpenStudy (ranga):
Subtract the second equation from the first to eliminate y. Solve for x.
OpenStudy (anonymous):
What's answer What's the answer
OpenStudy (anthonyn2121):
Solve for y for the second equation: y=-x-5. Substitute y into the first equation 3x+(-x-5)=-21. Combine like terms and solve for x. 2x-5=-21. x=-8
OpenStudy (anonymous):
THANK YOU!!!
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