-240=-8(7r-5)

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Solution for -240=-8(7r-5) equation: 



-240=-8(7r-5)

We move all terms to the left:

-240-(-8(7r-5))=0



We calculate terms in parentheses: -(-8(7r-5)), so:

-8(7r-5)

We multiply parentheses

-56r+40

Back to the equation:

-(-56r+40)



We get rid of parentheses

56r-40-240=0

We add all the numbers together, and all the variables

56r-280=0

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

56r=280

r=280/56

r=5

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