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OpenStudy (anonymous):
combining like terms simplify each expression -3x -9 + 15x =12x+ -9 is this correct?
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OpenStudy (anonymous):
-3x -9 + 15x =12x+ -9 I would agree as we have -3x and 15x so we have 12x in total
OpenStudy (turingtest):
I should point out that it is convention to write 12x+-9 as 12x-9
OpenStudy (anonymous):
Ok thank you
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