-4(r-10)=r+4(1-2r)

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Solution for -4(r-10)=r+4(1-2r) equation: 



-4(r-10)=r+4(1-2r)

We move all terms to the left:

-4(r-10)-(r+4(1-2r))=0

We add all the numbers together, and all the variables

-4(r-10)-(r+4(-2r+1))=0

We multiply parentheses

-4r-(r+4(-2r+1))+40=0



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

r+4(-2r+1)

We multiply parentheses

r-8r+4

We add all the numbers together, and all the variables

-7r+4

Back to the equation:

-(-7r+4)



We get rid of parentheses

-4r+7r-4+40=0

We add all the numbers together, and all the variables

3r+36=0

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

3r=-36

r=-36/3

r=-12

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