8r-3(7-3r)=98

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Solution for 8r-3(7-3r)=98 equation: 



8r-3(7-3r)=98

We move all terms to the left:

8r-3(7-3r)-(98)=0

We add all the numbers together, and all the variables

8r-3(-3r+7)-98=0

We multiply parentheses

8r+9r-21-98=0

We add all the numbers together, and all the variables

17r-119=0

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

17r=119

r=119/17

r=7

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