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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



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

r-4(3r+2)

We multiply parentheses

r-12r-8

We add all the numbers together, and all the variables

-11r-8

Back to the equation:

-(-11r-8)



We get rid of parentheses

-3r+11r+8+8=0

We add all the numbers together, and all the variables

8r+16=0

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

8r=-16

r=-16/8

r=-2

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