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OpenStudy (anonymous):
Find the solution to the system of equations. x+y+z=11 y+z=12 z=8
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OpenStudy (anonymous):
y + 8 = 12 --> y = 4 x + 4 + 8 = 11 --> x = -1
OpenStudy (gw2011):
y+z=12 y+8=12 y=4 x+y+z=11 x+4+8=11 x+12=11 x=-1
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