55 - 8x = 55 - 7 = 848 = 8x = 6
27 ÷ y + 29 = 327 ÷ y = y = 3
(t - 25) ÷ 20 = t - 25 = 18t = 205
6 × (18 - k) = 56 × 18 - 6k = 5108 - 6k = 5-6k = -5k = 9
Ответ: x = 6, y = 3, t = 205, k = 9
55 - 8x =
55 - 7 = 8
48 = 8
x = 6
27 ÷ y + 29 = 3
27 ÷ y =
y = 3
(t - 25) ÷ 20 =
t - 25 = 18
t = 205
6 × (18 - k) = 5
6 × 18 - 6k = 5
108 - 6k = 5
-6k = -5
k = 9
Ответ: x = 6, y = 3, t = 205, k = 9