10=1/3r-(-7)

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Solution for 10=1/3r-(-7) equation: 



10=1/3r-(-7)

We move all terms to the left:

10-(1/3r-(-7))=0



Domain of the equation: 3r-(-7))!=0

r∈R



We multiply all the terms by the denominator


-(1+10*3r-(-7))=0



We calculate terms in parentheses: -(1+10*3r-(-7)), so:

1+10*3r-(-7)

determiningTheFunctionDomain
10*3r+1-(-7)

We add all the numbers together, and all the variables

10*3r+8

Wy multiply elements

30r+8

Back to the equation:

-(30r+8)



We get rid of parentheses

-30r-8=0

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

-30r=8

r=8/-30

r=-4/15

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