28-3r=-2(6-3r)=4

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Solution for 28-3r=-2(6-3r)=4 equation: 



28-3r=-2(6-3r)=4

We move all terms to the left:

28-3r-(-2(6-3r))=0

We add all the numbers together, and all the variables

-3r-(-2(-3r+6))+28=0



We calculate terms in parentheses: -(-2(-3r+6)), so:

-2(-3r+6)

We multiply parentheses

6r-12

Back to the equation:

-(6r-12)



We get rid of parentheses

-3r-6r+12+28=0

We add all the numbers together, and all the variables

-9r+40=0

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

-9r=-40

r=-40/-9

r=4+4/9

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