3y-2.1=4.2

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Solution for 3y-2.1=4.2 equation: 



3y-2.1=4.2

We move all terms to the left:

3y-2.1-(4.2)=0

We add all the numbers together, and all the variables

3y-6.3=0

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

3y=6.3

y=6.3/3

y=2+0.3/3

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