Раскройте скобки и упростите выражения
а) 2(3-4x)+12x+8
б) 23-5(11x-2)-3x
в) 6x-(x-5)
г) 3(4-5y)+7y-6
д) 42-7(3x+6)-4x
а) 2(3-4x)+12x+8
б) 23-5(11x-2)-3x
в) 6x-(x-5)
г) 3(4-5y)+7y-6
д) 42-7(3x+6)-4x
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Verified answer
А) 2(3-4x)+12x+8 = 6-8x+12x+8 = 4x+14б) 23-5(11x-2)-3x = 23-55x+10-3x = -58x+33
в) 6x-(x-5) = 6x-x+5 = 5x+5
г) 3(4-5y)+7y-6 = 12-15y+7y-6 = 6-8y
д) 42-7(3x+6)-4x = 42-21x-42-4x = -25x
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