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OpenStudy (anonymous):
Simplify the following expression: 2x - 2y + 5z - 2x - y + 3z x - 3y + 8z 2x - 2y + 8z 3y + 8z -3y + 8z
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OpenStudy (anonymous):
Well, all you need to do is combine like terms. 2x - 2y + 5z - 2x - y + 3z (2x - 2x) (-2y - y) ( 5z + 3z) 2x - 2x eliminates each other, so no more x. -3y + 8z So, the answer is the last one.
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