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5x-2(x=4)
We move all terms to the left:
5x-2(x-(4))=0
We multiply parentheses
5x-2x+8=0
We add all the numbers together, and all the variables
3x+8=0
We move all terms containing x to the left, all other terms to the right
3x=-8
x=-8/3
x=-2+2/3
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