12+3x=19.5

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Solution for 12+3x=19.5 equation: 



12+3x=19.5

We move all terms to the left:

12+3x-(19.5)=0

We add all the numbers together, and all the variables

3x-7.5=0

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

3x=7.5

x=7.5/3

x=2+1/2

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