5(r+16)-2r=15(20r+400)

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Solution for 5(r+16)-2r=15(20r+400) equation: 



5(r+16)-2r=15(20r+400)

We move all terms to the left:

5(r+16)-2r-(15(20r+400))=0

We add all the numbers together, and all the variables

-2r+5(r+16)-(15(20r+400))=0

We multiply parentheses

-2r+5r-(15(20r+400))+80=0



We calculate terms in parentheses: -(15(20r+400)), so:

15(20r+400)

We multiply parentheses

300r+6000

Back to the equation:

-(300r+6000)



We add all the numbers together, and all the variables

3r-(300r+6000)+80=0

We get rid of parentheses

3r-300r-6000+80=0

We add all the numbers together, and all the variables

-297r-5920=0

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

-297r=5920

r=5920/-297

r=-19+277/297

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