Ответ:
A = 39
B = 52
C = 89
Пошаговое объяснение:
3x + 4x + 3x + 50 = 180
10x = 180 - 50
x = 13
A = 3x = 3*13 = 39
B = 4x = 4*13 = 52
C = A + 50 = 39 + 50 = 89
Проверка: 39 + 52 + 89 = 180
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Ответ:
A = 39
B = 52
C = 89
Пошаговое объяснение:
3x + 4x + 3x + 50 = 180
10x = 180 - 50
x = 13
A = 3x = 3*13 = 39
B = 4x = 4*13 = 52
C = A + 50 = 39 + 50 = 89
Проверка: 39 + 52 + 89 = 180