-6r-20=4(1-3r)-2r

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Solution for -6r-20=4(1-3r)-2r equation: 



-6r-20=4(1-3r)-2r

We move all terms to the left:

-6r-20-(4(1-3r)-2r)=0

We add all the numbers together, and all the variables

-6r-(4(-3r+1)-2r)-20=0



We calculate terms in parentheses: -(4(-3r+1)-2r), so:

4(-3r+1)-2r

We add all the numbers together, and all the variables

-2r+4(-3r+1)

We multiply parentheses

-2r-12r+4

We add all the numbers together, and all the variables

-14r+4

Back to the equation:

-(-14r+4)



We get rid of parentheses

-6r+14r-4-20=0

We add all the numbers together, and all the variables

8r-24=0

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

8r=24

r=24/8

r=3

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