5(7-4r)=5(r+8)

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Solution for 5(7-4r)=5(r+8) equation: 



5(7-4r)=5(r+8)

We move all terms to the left:

5(7-4r)-(5(r+8))=0

We add all the numbers together, and all the variables

5(-4r+7)-(5(r+8))=0

We multiply parentheses

-20r-(5(r+8))+35=0



We calculate terms in parentheses: -(5(r+8)), so:

5(r+8)

We multiply parentheses

5r+40

Back to the equation:

-(5r+40)



We get rid of parentheses

-20r-5r-40+35=0

We add all the numbers together, and all the variables

-25r-5=0

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

-25r=5

r=5/-25

r=-1/5

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