Ответы на вопрос:
1.1) 5(2+3х) + 4(5х-1) = 10 + 15х + 20х - 4 = 6 + 35х2) 8(2-у) - 4(3у+4) = 16 - 8у - 12у - 16 = -20у3) 3,2(4+5х) - 1,5(4х-1) = 12,8 + 16х - 6 + 1,5х = 6,8 + 17,5х4) -6(5-4х) - 5(1+2х) - (12-3х) = -30 + 24х - 5 - 10х - 12 + 3х = -47 + 17х2.1) 7х + 7у = 7(х+у) 2) 10ab + 3bc -b = b(10a + 3c - 1)3) 12mp - 16np = 4p(3m - 4n)
I1. 10+15x+20x-1 9+35x2. 16-8y-12y+16 32-20y3. 12,8+16x-6x+1,5 14,3+10x4. -30+24x-5-10x-12+3x -47+17xii 1. 7(x+y) 2. b(10a+3c-1) 3. p(12m-16n)
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