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OpenStudy (yacoub1993):
Simplify the expression. -3(b – 7)
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OpenStudy (yttrium):
Ditribute the negative 3. Hence, [(-3*b)-(-3*-7)]
OpenStudy (yacoub1993):
-3b+21
OpenStudy (yttrium):
Yes!
OpenStudy (yacoub1993):
then or is it over like that
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