2=r/5-4

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Solution for 2=r/5-4 equation: 



2=r/5-4

We move all terms to the left:

2-(r/5-4)=0

We get rid of parentheses

-r/5+4+2=0

We multiply all the terms by the denominator


-r+4*5+2*5=0

We add all the numbers together, and all the variables

-1r+30=0

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

-r=-30

r=-30/-1

r=+30

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