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(4x)+(4x)+(4x)=286
We move all terms to the left:
(4x)+(4x)+(4x)-(286)=0
We add all the numbers together, and all the variables
12x-286=0
We move all terms containing x to the left, all other terms to the right
12x=286
x=286/12
x=23+5/6
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