Задание 1. Упрости выражения. 44c + 68c - 92c = x + 15x + 56x = 6(a - b) + 8b = 14(x + a) - 9a = 75 + 13b + 89 + 20b = 114c - 20c + 67a - 40a = 28a + 16b - a + 3b - c = 17x + 8y - 3x + 14y =

Решение:

1. \( 44c + 68c - 92c = (44 + 68 - 92)c = 20c \)
2. \( x + 15x + 56x = (1 + 15 + 56)x = 72x \)
3. \( 6(a - b) + 8b = 6a - 6b + 8b = 6a + 2b \)
4. \( 14(x + a) - 9a = 14x + 14a - 9a = 14x + 5a \)
5. \( 75 + 13b + 89 + 20b = (75 + 89) + (13b + 20b) = 164 + 33b \)
6. \( 114c - 20c + 67a - 40a = (114c - 20c) + (67a - 40a) = 94c + 27a \)
7. \( 28a + 16b - a + 3b - c = (28a - a) + (16b + 3b) - c = 27a + 19b - c \)
8. \( 17x + 8y - 3x + 14y = (17x - 3x) + (8y + 14y) = 14x + 22y \)

Ответ: 20c; 72x; 6a + 2b; 14x + 5a; 164 + 33b; 94c + 27a; 27a + 19b - c; 14x + 22y.