-19+r=-3(r+4)+1

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Solution for -19+r=-3(r+4)+1 equation: 



-19+r=-3(r+4)+1

We move all terms to the left:

-19+r-(-3(r+4)+1)=0



We calculate terms in parentheses: -(-3(r+4)+1), so:

-3(r+4)+1

We multiply parentheses

-3r-12+1

We add all the numbers together, and all the variables

-3r-11

Back to the equation:

-(-3r-11)



We get rid of parentheses

r+3r+11-19=0

We add all the numbers together, and all the variables

4r-8=0

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

4r=8

r=8/4

r=2

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