7=r+39/10

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Solution for 7=r+39/10 equation: 



7=r+39/10

We move all terms to the left:

7-(r+39/10)=0

We add all the numbers together, and all the variables

-(+r+39/10)+7=0

We get rid of parentheses

-r+7-39/10=0

We multiply all the terms by the denominator


-r*10-39+7*10=0

We add all the numbers together, and all the variables

-r*10+31=0

Wy multiply elements

-10r+31=0

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

-10r=-31

r=-31/-10

r=3+1/10

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