-89=-2(2r/6)-7r

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Solution for -89=-2(2r/6)-7r equation: 



-89=-2(2r/6)-7r

We move all terms to the left:

-89-(-2(2r/6)-7r)=0



Domain of the equation: 6)-7r)!=0

r!=0/1

r!=0

r∈R



We add all the numbers together, and all the variables

-(-2(+2r/6)-7r)-89=0

We multiply all the terms by the denominator


-(-2(+2r-89*6)-7r)=0



We calculate terms in parentheses: -(-2(+2r-89*6)-7r), so:

-2(+2r-89*6)-7r

We add all the numbers together, and all the variables

-2(2r-534)-7r

We add all the numbers together, and all the variables

-7r-2(2r-534)

We multiply parentheses

-7r-4r+1068

We add all the numbers together, and all the variables

-11r+1068

Back to the equation:

-(-11r+1068)



We get rid of parentheses

11r-1068=0

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

11r=1068

r=1068/11

r=97+1/11

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