3s-4.2=3

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Solution for 3s-4.2=3 equation: 



3s-4.2=3

We move all terms to the left:

3s-4.2-(3)=0

We add all the numbers together, and all the variables

3s-7.2=0

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

3s=7.2

s=7.2/3

s=2+1/2.5

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