85x + 74x + 42x + 1474x = 86562
85x + 74x + 42x + 1474x = 8656(85 + 74 + 42 + 1474)x = 8656(1675)x = 8656x = 86562 / 167x ≈ 51.68
Ответ: x ≈ 51.68
85x + 74x + 42x + 1474x = 86562
85x + 74x + 42x + 1474x = 8656
(85 + 74 + 42 + 1474)x = 8656
(1675)x = 8656
x = 86562 / 167
x ≈ 51.68
Ответ: x ≈ 51.68