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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