daydaymuffin12 daydaymuffin12

07-02-2018
Mathematics

contestada

-7x-3 (9-7x) if x = -1. with work because I don't understand :(

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kirstenknowles2 kirstenknowles2

07-02-2018

-7(-1) -3(9-7(-1))
-7-3(9+7)
7- 3(16)
7- 48
-41

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