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OpenStudy (anonymous):
Simplify the following expression: x - 4y + 2z - 3x - 3y + 2z = ? -2x + 7y + 4z -2x -7y + 4z -3x + 7y + 4z -3y - 7z + 4z
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OpenStudy (anonymous):
-2x-7y+4z
OpenStudy (anonymous):
Thank you hun
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