0.18r+19=20

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Solution for 0.18r+19=20 equation: 



0.18r+19=20

We move all terms to the left:

0.18r+19-(20)=0

We add all the numbers together, and all the variables

0.18r-1=0

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

0.18r=1

r=1/0.18

r=5+0.1/0.18

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