12+1.5=3x

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Solution for 12+1.5=3x equation: 



12+1.5=3x

We move all terms to the left:

12+1.5-(3x)=0

We add all the numbers together, and all the variables

-3x+13.5=0

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

-3x=-13.5

x=-13.5/-3

x=4+1/2

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