bx4+(7+(-2b))

summarize and show you could use the associate and commutative properties to simplify the experssion b x 4 +(7(-2b))
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1 Answer

me assume that stuf shood be

4*b+[7+(-2b)]

become...4b +(7-2b)

=7+4b-2b

=2b+7
by

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