unigeek51
unigeek51
16-05-2017
Mathematics
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4. Simplify the expression. -3(b – 7)
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morgiegrace8
morgiegrace8
16-05-2017
i believe the answer is -3b+21
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jossy6
jossy6
16-05-2017
-3(b-7)
-3b+21=0
-3b=-21(minus will cancel minus)
b=21/3
b=7
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