50=8(7+7r)-(4r-6)

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Solution for 50=8(7+7r)-(4r-6) equation: 



50=8(7+7r)-(4r-6)

We move all terms to the left:

50-(8(7+7r)-(4r-6))=0

We add all the numbers together, and all the variables

-(8(7r+7)-(4r-6))+50=0



We calculate terms in parentheses: -(8(7r+7)-(4r-6)), so:

8(7r+7)-(4r-6)

We multiply parentheses

56r-(4r-6)+56

We get rid of parentheses

56r-4r+6+56

We add all the numbers together, and all the variables

52r+62

Back to the equation:

-(52r+62)



We get rid of parentheses

-52r-62+50=0

We add all the numbers together, and all the variables

-52r-12=0

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

-52r=12

r=12/-52

r=-3/13

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