If 8a+2b+7c=4 what is -7c–

1 answer:

5 0

$8a+2b+7c=4\ \ \ \ |-7c\\\\8a+2b=4-7c\ \ \ \ |-4\\\\8a+2b-4=-7c\\\\\boxed{-7c=8a/-2b-4}$

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