(2*x)+12=40

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Solution for (2*x)+12=40 equation: 



(2x)+12=40

We move all terms to the left:

(2x)+12-(40)=0

We add all the numbers together, and all the variables

2x-28=0

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

2x=28

x=28/2

x=14

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