Пошаговое объяснение:
(3x+5)*14.4 = 7.2*22
43.2x+72=158.4
43.2x = 158.4-72
43.2x = 86.4
x = 86.4/43.2
x = 2
Пошаговое объяснение:
(3x+5)*14.4 = 7.2*22
43.2x+72=158.4
43.2x = 158.4-72
43.2x = 86.4
x = 86.4/43.2
x = 2