paigepink06 paigepink06

25-11-2019
Mathematics

contestada

what is 7 + 8(2r - 9)

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Аноним Аноним

25-11-2019

7 + 8(2r - 9)

mutiply the bracket by 8

(8)(2r)= 16r

(8)(-9)= -72

7+16r-72

7-72+16r ( rearranging)

answer:

-65+16r or 16r-65

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kay9094 kay9094

25-11-2019

-65+ 16r is the answer

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