-122=2(-7r-8)+6

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Solution for -122=2(-7r-8)+6 equation: 



-122=2(-7r-8)+6

We move all terms to the left:

-122-(2(-7r-8)+6)=0



We calculate terms in parentheses: -(2(-7r-8)+6), so:

2(-7r-8)+6

We multiply parentheses

-14r-16+6

We add all the numbers together, and all the variables

-14r-10

Back to the equation:

-(-14r-10)



We get rid of parentheses

14r+10-122=0

We add all the numbers together, and all the variables

14r-112=0

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

14r=112

r=112/14

r=8

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