3r-19=7-10r

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Solution for 3r-19=7-10r equation: 



3r-19=7-10r

We move all terms to the left:

3r-19-(7-10r)=0

We add all the numbers together, and all the variables

3r-(-10r+7)-19=0

We get rid of parentheses

3r+10r-7-19=0

We add all the numbers together, and all the variables

13r-26=0

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

13r=26

r=26/13

r=2

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