21.8x=4.2

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Solution for 21.8x=4.2 equation: 



21.8x=4.2

We move all terms to the left:

21.8x-(4.2)=0

We add all the numbers together, and all the variables

21.8x-4.2=0

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

21.8x=4.2

x=4.2/21.8

x=3.5/18.166666666667

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