2(1-3r)=20+3r

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Solution for 2(1-3r)=20+3r equation: 



2(1-3r)=20+3r

We move all terms to the left:

2(1-3r)-(20+3r)=0

We add all the numbers together, and all the variables

2(-3r+1)-(3r+20)=0

We multiply parentheses

-6r-(3r+20)+2=0

We get rid of parentheses

-6r-3r-20+2=0

We add all the numbers together, and all the variables

-9r-18=0

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

-9r=18

r=18/-9

r=-2

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