-7=1/5r

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Solution for -7=1/5r equation: 



-7=1/5r

We move all terms to the left:

-7-(1/5r)=0



Domain of the equation: 5r)!=0

r!=0/1

r!=0

r∈R



We add all the numbers together, and all the variables

-(+1/5r)-7=0

We get rid of parentheses

-1/5r-7=0

We multiply all the terms by the denominator


-7*5r-1=0

Wy multiply elements

-35r-1=0

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

-35r=1

r=1/-35

r=-1/35

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