Объяснение:
4(2x-1)-(5x-(6-2x))-(x+12) = 8x-4 - (5x-6+2x)-x-12 = 8x-4 -5x+6-2x-x-12 = 0x-10 = -10
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Объяснение:
4(2x-1)-(5x-(6-2x))-(x+12) = 8x-4 - (5x-6+2x)-x-12 = 8x-4 -5x+6-2x-x-12 = 0x-10 = -10