4(r+80)=0.2(20r+400)

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Solution for 4(r+80)=0.2(20r+400) equation: 



4(r+80)=0.2(20r+400)

We move all terms to the left:

4(r+80)-(0.2(20r+400))=0

We multiply parentheses

4r-(0.2(20r+400))+320=0



We calculate terms in parentheses: -(0.2(20r+400)), so:

0.2(20r+400)

We multiply parentheses

4r+80

Back to the equation:

-(4r+80)



We get rid of parentheses

4r-4r-80+320=0

We add all the numbers together, and all the variables

240!=0

There is no solution for this equation

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