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X=28-4X
We move all terms to the left:
X-(28-4X)=0
We add all the numbers together, and all the variables
X-(-4X+28)=0
We get rid of parentheses
X+4X-28=0
We add all the numbers together, and all the variables
5X-28=0
We move all terms containing X to the left, all other terms to the right
5X=28
X=28/5
X=5+3/5
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