Предмет: Математика, автор: kusainovaanel

1 группа ) Решите уравнение: 1) 33х-8(3x-2)= -7x-5(12-3х); 2) 0,15(x - 4) = 9,9 -0,3(x - 1)​

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Автор ответа: kskd0453
0

Пошаговое объяснение:

1) 33x-8(3x-2)=-7x-5(12-3x)

33x-24x+16=-7x-60+15x

9x+16=8x-60

9x-8x=-60-16

x=-76

2) 0,15(x-4)=9,9-0,3(x-1)

0,15x-0,6=9,9-0,3x+0,3

0,15x-0,6=10,2-0,3x

0,15x+0,3x=10,2+0,6

0,45x=10,8

x=24

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