8r+4=19+3r

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Solution for 8r+4=19+3r equation: 



8r+4=19+3r

We move all terms to the left:

8r+4-(19+3r)=0

We add all the numbers together, and all the variables

8r-(3r+19)+4=0

We get rid of parentheses

8r-3r-19+4=0

We add all the numbers together, and all the variables

5r-15=0

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

5r=15

r=15/5

r=3

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