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Mathematics
Jaylen Reeves
14 December, 12:13
Simplify:-4 (7x - 3y - z) - (-6) (9x - z + 2)
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Dexter Levy
14 December, 13:53
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step by step:
-4 (7x - 3y - z) - (-6) (9x - z + 2) here's the problem
(-28x + 12y + 4z) - (-54x + z - 12) multiply out
26x + 12y + 3z - 12 combine like terms
26x + 12y + 3z - 12 is your answer
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