Zapisz w jak najprostszej postaci : x-{x-[x-(x+1)-(x-1)-x]+(1-x)} bardzo proszę o pomoc :)
= x-{x-[x-x-1-x-1-x]+(1-x)}= x-{x-(-2-2x)+(1-x)}= x-{x+2+2x+1+x}=x-4x+3=3-3x=3(1-x)
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= x-{x-[x-x-1-x-1-x]+(1-x)}= x-{x-(-2-2x)+(1-x)}= x-{x+2+2x+1+x}=x-4x+3=3-3x=3(1-x)