Question

How do you solve 8(r−8)+4r=−136?

Answer 1

Answer:

$8(r - 8) + 4r = - 136 \\ \\ 8r - 64 + 4r = - 136 \\ \\ 12r = - 136 + 64 \\ \\ 12r = - 72 \\ \\ r = \frac{ - 72}{12} \\ \\ \fcolorbox{red}{yellow}{ \bf r = - 6}$

Answer 2

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