128=6r-8(5r+1)

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Solution for 128=6r-8(5r+1) equation: 



128=6r-8(5r+1)

We move all terms to the left:

128-(6r-8(5r+1))=0



We calculate terms in parentheses: -(6r-8(5r+1)), so:

6r-8(5r+1)

We multiply parentheses

6r-40r-8

We add all the numbers together, and all the variables

-34r-8

Back to the equation:

-(-34r-8)



We get rid of parentheses

34r+8+128=0

We add all the numbers together, and all the variables

34r+136=0

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

34r=-136

r=-136/34

r=-4

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