№5. Решите уравнения 1) 2x-7-6x +1=18 2) 4-8,2x-(3.8x+1)=5

1. 2x-7-6x +1=18

   2x-6x = 18 + 7 - 1

   -4x = 24

   x = -6

2. 4-8,2x-(3.8x+1)=5

   4 - 8.2x - 3.8x - 1 = 5

   -8.2x - 3.8x = 5 - 4 + 1

   -12x = 2

   x = -2/12

   x = -1/6

Ответ:

1. x = -6
2. x = -1/6