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Kymani Mullins
Mathematics
30 November, 06:49
What is 7 + 8 (2r - 9)
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Heather Marquez
30 November, 06:57
0
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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Abagail Cox
30 November, 07:00
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-65 + 16r is the answer
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