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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(4(-2r+2))-43=0



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

4(-2r+2)

We multiply parentheses

-8r+8

Back to the equation:

-(-8r+8)



We get rid of parentheses

8r-8-43=0

We add all the numbers together, and all the variables

8r-51=0

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

8r=51

r=51/8

r=6+3/8

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