2(-2+6r)-2=90

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Solution for 2(-2+6r)-2=90 equation: 



2(-2+6r)-2=90

We move all terms to the left:

2(-2+6r)-2-(90)=0

We add all the numbers together, and all the variables

2(6r-2)-2-90=0

We add all the numbers together, and all the variables

2(6r-2)-92=0

We multiply parentheses

12r-4-92=0

We add all the numbers together, and all the variables

12r-96=0

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

12r=96

r=96/12

r=8

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