3x-42.15=3.45

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Solution for 3x-42.15=3.45 equation: 



3x-42.15=3.45

We move all terms to the left:

3x-42.15-(3.45)=0

We add all the numbers together, and all the variables

3x-45.6=0

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

3x=45.6

x=45.6/3

x=15+0.6/3

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