-3r=-10-8r

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Solution for -3r=-10-8r equation: 



-3r=-10-8r

We move all terms to the left:

-3r-(-10-8r)=0

We add all the numbers together, and all the variables

-3r-(-8r-10)=0

We get rid of parentheses

-3r+8r+10=0

We add all the numbers together, and all the variables

5r+10=0

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

5r=-10

r=-10/5

r=-2

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