3.5(3.7r-2.8)=42.2

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Solution for 3.5(3.7r-2.8)=42.2 equation: 



3.5(3.7r-2.8)=42.2

We move all terms to the left:

3.5(3.7r-2.8)-(42.2)=0

We add all the numbers together, and all the variables

3.5(3.7r-2.8)-42.2=0

We multiply parentheses

10.5r-9.8-42.2=0

We add all the numbers together, and all the variables

10.5r-52=0

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

10.5r=52

r=52/10.5

r=4+1/1.05

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