2.1-3x=9.9

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Solution for 2.1-3x=9.9 equation: 



2.1-3x=9.9

We move all terms to the left:

2.1-3x-(9.9)=0

We add all the numbers together, and all the variables

-3x-7.8=0

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

-3x=7.8

x=7.8/-3

x=-2+1/1.6666666666667

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