86=-7(5-6r)-5

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Solution for 86=-7(5-6r)-5 equation: 



86=-7(5-6r)-5

We move all terms to the left:

86-(-7(5-6r)-5)=0

We add all the numbers together, and all the variables

-(-7(-6r+5)-5)+86=0



We calculate terms in parentheses: -(-7(-6r+5)-5), so:

-7(-6r+5)-5

We multiply parentheses

42r-35-5

We add all the numbers together, and all the variables

42r-40

Back to the equation:

-(42r-40)



We get rid of parentheses

-42r+40+86=0

We add all the numbers together, and all the variables

-42r+126=0

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

-42r=-126

r=-126/-42

r=+3

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