19=7r-7+5

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Solution for 19=7r-7+5 equation: 



19=7r-7+5

We move all terms to the left:

19-(7r-7+5)=0

We add all the numbers together, and all the variables

-(7r-2)+19=0

We get rid of parentheses

-7r+2+19=0

We add all the numbers together, and all the variables

-7r+21=0

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

-7r=-21

r=-21/-7

r=+3

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