1-18r-39=40

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Solution for 1-18r-39=40 equation: 



1-18r-39=40

We move all terms to the left:

1-18r-39-(40)=0

We add all the numbers together, and all the variables

-18r-78=0

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

-18r=78

r=78/-18

r=-4+1/3

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