-71=-r+5(1+4r)

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Solution for -71=-r+5(1+4r) equation: 



-71=-r+5(1+4r)

We move all terms to the left:

-71-(-r+5(1+4r))=0

We add all the numbers together, and all the variables

-(-r+5(4r+1))-71=0



We calculate terms in parentheses: -(-r+5(4r+1)), so:

-r+5(4r+1)

We add all the numbers together, and all the variables

-1r+5(4r+1)

We multiply parentheses

-1r+20r+5

We add all the numbers together, and all the variables

19r+5

Back to the equation:

-(19r+5)



We get rid of parentheses

-19r-5-71=0

We add all the numbers together, and all the variables

-19r-76=0

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

-19r=76

r=76/-19

r=-4

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