3x+12.5=40

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Solution for 3x+12.5=40 equation: 



3x+12.5=40

We move all terms to the left:

3x+12.5-(40)=0

We add all the numbers together, and all the variables

3x-27.5=0

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

3x=27.5

x=27.5/3

x=9+0.5/3

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