2(4.5r+3)=174

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Solution for 2(4.5r+3)=174 equation: 



2(4.5r+3)=174

We move all terms to the left:

2(4.5r+3)-(174)=0

We multiply parentheses

8r+6-174=0

We add all the numbers together, and all the variables

8r-168=0

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

8r=168

r=168/8

r=21

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