5.5(3x+21)=231

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Solution for 5.5(3x+21)=231 equation: 



5.5(3x+21)=231

We move all terms to the left:

5.5(3x+21)-(231)=0

We multiply parentheses

16.5x+115.5-231=0

We add all the numbers together, and all the variables

16.5x-115.5=0

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

16.5x=115.5

x=115.5/16.5

x=7

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