r=19.50/7-r

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Solution for r=19.50/7-r equation: 



r=19.50/7-r

We move all terms to the left:

r-(19.50/7-r)=0



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

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

-r)!=-7

r!=-7/1

r!=-7

r∈R



We add all the numbers together, and all the variables

r-(-1r+19.50/7)=0

We get rid of parentheses

r+1r-19.50/7=0

We multiply all the terms by the denominator


r*7+1r*7-19.50=0

We add all the numbers together, and all the variables

r*7+1r*7-19.5=0

Wy multiply elements

7r+7r-19.5=0

We add all the numbers together, and all the variables

14r-19.5=0

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

14r=19.5

r=19.5/14

r=1+3.6666666666667/9.3333333333333

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