400+1.3x=55.7

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Solution for 400+1.3x=55.7 equation: 



400+1.3x=55.7

We move all terms to the left:

400+1.3x-(55.7)=0

We add all the numbers together, and all the variables

1.3x+344.3=0

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

1.3x=-344.3

x=-344.3/1.3

x=-264+1/1.1818181818182

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