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8x-2x=4.
We move all terms to the left:
8x-2x-(4.)=0
We add all the numbers together, and all the variables
8x-2x-4=0
We add all the numbers together, and all the variables
6x-4=0
We move all terms containing x to the left, all other terms to the right
6x=4
x=4/6
x=2/3
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