6(1-2r)=90

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Solution for 6(1-2r)=90 equation: 



6(1-2r)=90

We move all terms to the left:

6(1-2r)-(90)=0

We add all the numbers together, and all the variables

6(-2r+1)-90=0

We multiply parentheses

-12r+6-90=0

We add all the numbers together, and all the variables

-12r-84=0

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

-12r=84

r=84/-12

r=-7

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