7.7x-13.8=55.5

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Solution for 7.7x-13.8=55.5 equation: 



7.7x-13.8=55.5

We move all terms to the left:

7.7x-13.8-(55.5)=0

We add all the numbers together, and all the variables

7.7x-69.3=0

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

7.7x=69.3

x=69.3/7.7

x=9

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