-4.2x+31.5=-55

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Solution for -4.2x+31.5=-55 equation: 



-4.2x+31.5=-55

We move all terms to the left:

-4.2x+31.5-(-55)=0

We add all the numbers together, and all the variables

-4.2x+86.5=0

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

-4.2x=-86.5

x=-86.5/-4.2

x=20+1/1.68

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