0.83*x-4=3.9

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Solution for 0.83*x-4=3.9 equation: 



0.83x-4=3.9

We move all terms to the left:

0.83x-4-(3.9)=0

We add all the numbers together, and all the variables

0.83x-7.9=0

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

0.83x=7.9

x=7.9/0.83

x=9+0.43/0.83

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