1) 15,62+x=20. 2) 9,54-x=7,268.3) x-36,76=19,24.4) x+0,24=8,1 уравнение

Решения:

1) 15, 62 + x = 20;

x = 20 - 15, 62;

x = 4, 38.

Ответ: 4, 38.

2) 9, 54 - x = 7, 268;

x = 7, 268 - 9, 54;

x = - 2, 272.

Ответ: - 2, 272.

3) x - 36, 76 = 19, 24;

x = 19, 24 + 36, 76;

x = 56.

Ответ: 56

4) x + 0, 24 = 8, 1;

x = 8, 1 - 0, 24;

x = 7, 86.

Ответ: 7, 86.