3.9x-4.29=7.8

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Solution for 3.9x-4.29=7.8 equation: 



3.9x-4.29=7.8

We move all terms to the left:

3.9x-4.29-(7.8)=0

We add all the numbers together, and all the variables

3.9x-12.09=0

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

3.9x=12.09

x=12.09/3.9

x=3+0.39/3.9

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