19=4+3r

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Solution for 19=4+3r equation: 



19=4+3r

We move all terms to the left:

19-(4+3r)=0

We add all the numbers together, and all the variables

-(3r+4)+19=0

We get rid of parentheses

-3r-4+19=0

We add all the numbers together, and all the variables

-3r+15=0

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

-3r=-15

r=-15/-3

r=+5

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