-25-5r=2(1-7r)

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Solution for -25-5r=2(1-7r) equation: 



-25-5r=2(1-7r)

We move all terms to the left:

-25-5r-(2(1-7r))=0

We add all the numbers together, and all the variables

-5r-(2(-7r+1))-25=0



We calculate terms in parentheses: -(2(-7r+1)), so:

2(-7r+1)

We multiply parentheses

-14r+2

Back to the equation:

-(-14r+2)



We get rid of parentheses

-5r+14r-2-25=0

We add all the numbers together, and all the variables

9r-27=0

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

9r=27

r=27/9

r=3

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