9+12r+7=-14+18r

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Solution for 9+12r+7=-14+18r equation: 



9+12r+7=-14+18r

We move all terms to the left:

9+12r+7-(-14+18r)=0

We add all the numbers together, and all the variables

12r-(18r-14)+9+7=0

We add all the numbers together, and all the variables

12r-(18r-14)+16=0

We get rid of parentheses

12r-18r+14+16=0

We add all the numbers together, and all the variables

-6r+30=0

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

-6r=-30

r=-30/-6

r=+5

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