-2(-7r-8)-6(8r+7)=42

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Solution for -2(-7r-8)-6(8r+7)=42 equation: 



-2(-7r-8)-6(8r+7)=42

We move all terms to the left:

-2(-7r-8)-6(8r+7)-(42)=0

We multiply parentheses

14r-48r+16-42-42=0

We add all the numbers together, and all the variables

-34r-68=0

We move all terms containing r to the left, all other terms to the right

-34r=68

r=68/-34

r=-2

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