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OpenStudy (anonymous):
Simplify the following expression. 2x - 2y + 5z - 2x - y + 3z
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OpenStudy (anonymous):
combine the like terms. if I had 2 apples and you gave me 3 more apples I would have 5 apples. x's are apples ;)
OpenStudy (mertsj):
2x-2x=0 -2y-y=-3y 5z+3z=8z So we have: -3y+8z
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