12-8r=-4(2r-5)

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Solution for 12-8r=-4(2r-5) equation: 



12-8r=-4(2r-5)

We move all terms to the left:

12-8r-(-4(2r-5))=0



We calculate terms in parentheses: -(-4(2r-5)), so:

-4(2r-5)

We multiply parentheses

-8r+20

Back to the equation:

-(-8r+20)



We get rid of parentheses

-8r+8r-20+12=0

We add all the numbers together, and all the variables

-8!=0

There is no solution for this equation

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