-98=2(2r-5)+7r

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Solution for -98=2(2r-5)+7r equation: 



-98=2(2r-5)+7r

We move all terms to the left:

-98-(2(2r-5)+7r)=0



We calculate terms in parentheses: -(2(2r-5)+7r), so:

2(2r-5)+7r

We add all the numbers together, and all the variables

7r+2(2r-5)

We multiply parentheses

7r+4r-10

We add all the numbers together, and all the variables

11r-10

Back to the equation:

-(11r-10)



We get rid of parentheses

-11r+10-98=0

We add all the numbers together, and all the variables

-11r-88=0

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

-11r=88

r=88/-11

r=-8

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