3(r+1.09)=19.98

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Solution for 3(r+1.09)=19.98 equation: 



3(r+1.09)=19.98

We move all terms to the left:

3(r+1.09)-(19.98)=0

We add all the numbers together, and all the variables

3(r+1.09)-19.98=0

We multiply parentheses

3r+3.27-19.98=0

We add all the numbers together, and all the variables

3r-16.71=0

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

3r=16.71

r=16.71/3

r=5+1/1.7543859649123

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