2y-4.2=1.8=3y

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Solution for 2y-4.2=1.8=3y equation: 



2y-4.2=1.8=3y

We move all terms to the left:

2y-4.2-(1.8)=0

We add all the numbers together, and all the variables

2y-6=0

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

2y=6

y=6/2

y=3

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