(3х-2)/2 = 1/3 - это пропорция
(3х - 2) · 3 = 2 · 1 - свойство пропорции
9х - 6 = 2
9х = 2 + 6
9х = 8
х = 8/9
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Проверка: (3 · 8/9 - 2) : 2 = 1/3
(8/3 - 2) : 2 = 1/3
(2 2/3 - 2) : 2 = 1/3
2/3 · 1/2 = 1/3
1/3 = 1/3 - верно
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(3х-2)/2 = 1/3 - это пропорция
(3х - 2) · 3 = 2 · 1 - свойство пропорции
9х - 6 = 2
9х = 2 + 6
9х = 8
х = 8/9
-----------------------------------------------------
Проверка: (3 · 8/9 - 2) : 2 = 1/3
(8/3 - 2) : 2 = 1/3
(2 2/3 - 2) : 2 = 1/3
2/3 · 1/2 = 1/3
1/3 = 1/3 - верно