Rozwiąż równanie.
3x=x-(1-(x-3))
3x=x-(1-x+3)
3x=x-1+x-3
3x=2x-4
3x-2x=-4
x=-4
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3x=x-(1-(x-3))
3x=x-(1-x+3)
3x=x-1+x-3
3x=2x-4
3x-2x=-4
x=-4