-15+2r=-r+3(r-4)

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Solution for -15+2r=-r+3(r-4) equation: 



-15+2r=-r+3(r-4)

We move all terms to the left:

-15+2r-(-r+3(r-4))=0



We calculate terms in parentheses: -(-r+3(r-4)), so:

-r+3(r-4)

We add all the numbers together, and all the variables

-1r+3(r-4)

We multiply parentheses

-1r+3r-12

We add all the numbers together, and all the variables

2r-12

Back to the equation:

-(2r-12)



We get rid of parentheses

2r-2r+12-15=0

We add all the numbers together, and all the variables

-3!=0

There is no solution for this equation

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