180=5(1+7r)

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Solution for 180=5(1+7r) equation: 



180=5(1+7r)

We move all terms to the left:

180-(5(1+7r))=0

We add all the numbers together, and all the variables

-(5(7r+1))+180=0



We calculate terms in parentheses: -(5(7r+1)), so:

5(7r+1)

We multiply parentheses

35r+5

Back to the equation:

-(35r+5)



We get rid of parentheses

-35r-5+180=0

We add all the numbers together, and all the variables

-35r+175=0

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

-35r=-175

r=-175/-35

r=+5

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