3x+12=40,5

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Solution for 3x+12=40,5 equation: 



3x+12=40.5

We move all terms to the left:

3x+12-(40.5)=0

We add all the numbers together, and all the variables

3x-28.5=0

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

3x=28.5

x=28.5/3

x=9+1/2

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