3r+2=-4(-8+r)+r

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Solution for 3r+2=-4(-8+r)+r equation: 



3r+2=-4(-8+r)+r

We move all terms to the left:

3r+2-(-4(-8+r)+r)=0

We add all the numbers together, and all the variables

3r-(-4(r-8)+r)+2=0



We calculate terms in parentheses: -(-4(r-8)+r), so:

-4(r-8)+r

We add all the numbers together, and all the variables

r-4(r-8)

We multiply parentheses

r-4r+32

We add all the numbers together, and all the variables

-3r+32

Back to the equation:

-(-3r+32)



We get rid of parentheses

3r+3r-32+2=0

We add all the numbers together, and all the variables

6r-30=0

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

6r=30

r=30/6

r=5

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