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OpenStudy (anonymous):
(3x + 2y + z) + (6x - 5y - z) simplify
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OpenStudy (anonymous):
(3x + 2y + z) + (6x - 5y -z) = (3x + 6x) + (2y - 5y) +(z -z)
OpenStudy (anonymous):
9x -3y
OpenStudy (anonymous):
(3x + 6x) + (2y - 5y) +(z -z) = 9x -3y + 0z
OpenStudy (akemi):
(3x + 2y + z) + (6x - 5y - z) = 3x+6x+2y-5y+z-z = 9x-3y+0z = 9x-3y
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