2/5=r

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Solution for 2/5=r equation: 



2/5=r

We move all terms to the left:

2/5-(r)=0

We add all the numbers together, and all the variables

-1r+2/5=0

We multiply all the terms by the denominator


-1r*5+2=0

Wy multiply elements

-5r+2=0

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

-5r=-2

r=-2/-5

r=2/5

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