4(1-2r)=-4-7r

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Solution for 4(1-2r)=-4-7r equation: 



4(1-2r)=-4-7r

We move all terms to the left:

4(1-2r)-(-4-7r)=0

We add all the numbers together, and all the variables

4(-2r+1)-(-7r-4)=0

We multiply parentheses

-8r-(-7r-4)+4=0

We get rid of parentheses

-8r+7r+4+4=0

We add all the numbers together, and all the variables

-1r+8=0

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

-r=-8

r=-8/-1

r=+8

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