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OpenStudy (anonymous):
homework question is asking to simplify -8x-9x-6x I keep getting -23x but that is incorrect. What am I doing wrong?? all three terms have x's sorry
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OpenStudy (anonymous):
You're combining all three terms, when only the first two have x-values.
OpenStudy (fibonaccichick666):
you can't combine terms with an x , with another term without an x
OpenStudy (fibonaccichick666):
ie: 12c+7+(-7c)=5c+7
OpenStudy (anonymous):
all three have x's sorry. accidently dropped the x after the 6
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