3x-1.5=4.2

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Solution for 3x-1.5=4.2 equation: 



3x-1.5=4.2

We move all terms to the left:

3x-1.5-(4.2)=0

We add all the numbers together, and all the variables

3x-5.7=0

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

3x=5.7

x=5.7/3

x=1+2.7/3

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