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Mathematics 7 Online
OpenStudy (anonymous):

Can someone please help me! Add or subtract the following polynomials. Write your answer in standard form (5x-3)-(3x+9)

OpenStudy (anonymous):

|dw:1354722404039:dw| I AM NOT POSITIVE. But- I think that ^ But, don't you have to have a thing that they equal to find x??

OpenStudy (anonymous):

@KatieMO has it

OpenStudy (zugzwang):

@KatieMO |dw:1354723049466:dw| Grouping is important, or else the answer you should have arrived at is different. You arrived at the correct answer, though.

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