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OpenStudy (anonymous):
simplify the expression -3(b-7)
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OpenStudy (anonymous):
The expression is already simplified, but its expanded form is 21-3b.
OpenStudy (anonymous):
-3(b-7) =-3b+21 =21-3b
OpenStudy (anonymous):
OK, so how do you get that - exactly???
OpenStudy (anonymous):
-3(b-7) you need to distribute -3b+21
OpenStudy (anonymous):
Thank you so much!
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