-4-3r=-r+2(1+2r)

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Solution for -4-3r=-r+2(1+2r) equation: 



-4-3r=-r+2(1+2r)

We move all terms to the left:

-4-3r-(-r+2(1+2r))=0

We add all the numbers together, and all the variables

-3r-(-r+2(2r+1))-4=0



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

-r+2(2r+1)

We add all the numbers together, and all the variables

-1r+2(2r+1)

We multiply parentheses

-1r+4r+2

We add all the numbers together, and all the variables

3r+2

Back to the equation:

-(3r+2)



We get rid of parentheses

-3r-3r-2-4=0

We add all the numbers together, and all the variables

-6r-6=0

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

-6r=6

r=6/-6

r=-1

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