-344=8(7r-1)

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Solution for -344=8(7r-1) equation: 



-344=8(7r-1)

We move all terms to the left:

-344-(8(7r-1))=0



We calculate terms in parentheses: -(8(7r-1)), so:

8(7r-1)

We multiply parentheses

56r-8

Back to the equation:

-(56r-8)



We get rid of parentheses

-56r+8-344=0

We add all the numbers together, and all the variables

-56r-336=0

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

-56r=336

r=336/-56

r=-6

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