7=2/5r-5

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Solution for 7=2/5r-5 equation: 



7=2/5r-5

We move all terms to the left:

7-(2/5r-5)=0



Domain of the equation: 5r-5)!=0

r∈R



We get rid of parentheses

-2/5r+5+7=0

We multiply all the terms by the denominator


5*5r+7*5r-2=0

Wy multiply elements

25r+35r-2=0

We add all the numbers together, and all the variables

60r-2=0

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

60r=2

r=2/60

r=1/30

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