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OpenStudy (anonymous):
solve the system of equations: x+5y+5z=-31 4y+4z=-24 z=-2
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OpenStudy (anonymous):
Plug in Z=-2 into 4y+4z=-24-->solve for y. Plug in y into x+5y+5z=-31--> solve for x.
OpenStudy (anonymous):
thanks!:)
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