r=-1.3r+18

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Solution for r=-1.3r+18 equation: 



r=-1.3r+18

We move all terms to the left:

r-(-1.3r+18)=0

We get rid of parentheses

r+1.3r-18=0

We add all the numbers together, and all the variables

2.3r-18=0

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

2.3r=18

r=18/2.3

r=7+1/1.2105263157895

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