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OpenStudy (anonymous):
Simplify the following expression. x - 4y + 2z - 3x - 3y + 2z = ?
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OpenStudy (anonymous):
-2x-4y+4z
OpenStudy (anonymous):
sorry, -7y^^
OpenStudy (ajprincess):
-2x-7y+4z
OpenStudy (anonymous):
x-3x-4y-3y+2z+2z= -2x-7y+4z
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