3r-r=-8(2r-6)-2(-6r+3)

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Solution for 3r-r=-8(2r-6)-2(-6r+3) equation: 



3r-r=-8(2r-6)-2(-6r+3)

We move all terms to the left:

3r-r-(-8(2r-6)-2(-6r+3))=0

We add all the numbers together, and all the variables

2r-(-8(2r-6)-2(-6r+3))=0



We calculate terms in parentheses: -(-8(2r-6)-2(-6r+3)), so:

-8(2r-6)-2(-6r+3)

We multiply parentheses

-16r+12r+48-6

We add all the numbers together, and all the variables

-4r+42

Back to the equation:

-(-4r+42)



We get rid of parentheses

2r+4r-42=0

We add all the numbers together, and all the variables

6r-42=0

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

6r=42

r=42/6

r=7

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