0.25(r+3)=0.4(r-5)

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Solution for 0.25(r+3)=0.4(r-5) equation: 



0.25(r+3)=0.4(r-5)

We move all terms to the left:

0.25(r+3)-(0.4(r-5))=0

We multiply parentheses

0.25r-(0.4(r-5))+0.75=0



We calculate terms in parentheses: -(0.4(r-5)), so:

0.4(r-5)

We multiply parentheses

0.4r-2

Back to the equation:

-(0.4r-2)



We get rid of parentheses

0.25r-0.4r+2+0.75=0

We add all the numbers together, and all the variables

-0.15r+2.75=0

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

-0.15r=-2.75

r=-2.75/-0.15

r=18+0.05/0.15

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