-12+3r-10r=-16+30

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Solution for -12+3r-10r=-16+30 equation: 



-12+3r-10r=-16+30

We move all terms to the left:

-12+3r-10r-(-16+30)=0

We add all the numbers together, and all the variables

3r-10r-12-14=0

We add all the numbers together, and all the variables

-7r-26=0

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

-7r=26

r=26/-7

r=-3+5/7

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