Question

Найдите корни уравнений​

Answer 1

2) 2-с = 5с + 1

5с + с = 2 + 1

6с = 3

с = 1/2

4) -3d - 10 = 3d - 6

3d + 3d = - 10 + 6

6d = - 4

d = - 2/3

6) -7 - 4x = - 7x + 5

- 4x + 7x = 5 + 7

3x = 12

x = 4

Answer 2

правильный ответ ..........................