barbarazinck30osua01 barbarazinck30osua01

13-02-2018
Mathematics

contestada

-3(b – 7) I need a answer bad

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drwhoowls drwhoowls

13-02-2018

-3(b - 7)

-3*b = -3b

-3*7 = -21

-3b - 21

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texaschic101 texaschic101

13-02-2018

-3(b - 7)...distribute thru the parenthesis...that means multiply 3 by everything in the parenthesis to get rid of the parenthesis

(-3 * b) - (-3 * 7) = -3b - (-21) = -3b + 21 <==

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