(20r+5)=15r

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Solution for (20r+5)=15r equation: 



(20r+5)=15r

We move all terms to the left:

(20r+5)-(15r)=0

We add all the numbers together, and all the variables

-15r+(20r+5)=0

We get rid of parentheses

-15r+20r+5=0

We add all the numbers together, and all the variables

5r+5=0

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

5r=-5

r=-5/5

r=-1

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