3-2x=4.2

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Solution for 3-2x=4.2 equation: 



3-2x=4.2

We move all terms to the left:

3-2x-(4.2)=0

We add all the numbers together, and all the variables

-2x-1.2=0

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

-2x=1.2

x=1.2/-2

x=-1/1.6666666666667

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