Zapisz wyrażenie w jak najprostszej postaci.
5-[-(2x+3k-1)+(-4x-2k+9)]+(-x-k)
5-[-(2x+3k-1)+(-4x-2k+9)]+(-x-k) = 5- ( -2x - 3k + 1 -4x -2k + 9) - x - k = 5 - (-6x - 5k + 10) -x - k = 5 +6x +5k - 10 - x - k = -5 + 5x + 4k
5-[-(2x+3k-1)+(-4x-2k+9)]+(-x-k)=5-[-2x-3k+1-4x-2k+9]-x-k=5-[-6x-5k+10]-x-k=
=5+6x+5k-10-x-k=5x+4k-5
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5-[-(2x+3k-1)+(-4x-2k+9)]+(-x-k) = 5- ( -2x - 3k + 1 -4x -2k + 9) - x - k = 5 - (-6x - 5k + 10) -x - k = 5 +6x +5k - 10 - x - k = -5 + 5x + 4k
5-[-(2x+3k-1)+(-4x-2k+9)]+(-x-k)=5-[-2x-3k+1-4x-2k+9]-x-k=5-[-6x-5k+10]-x-k=
=5+6x+5k-10-x-k=5x+4k-5