278+12x=406

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Solution for 278+12x=406 equation: 



278+12x=406

We move all terms to the left:

278+12x-(406)=0

We add all the numbers together, and all the variables

12x-128=0

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

12x=128

x=128/12

x=10+2/3

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