Ответы на вопрос:
42/3 : (х + 1 1/3) = 2 х + 1 1/3 = 4 2/3 : 2 х + 1 1/3 = 14/3 * 1/2 х + 1 1/3 = 14/6 х + 1 1/3 = 2 2/6 х + 1 1/3 = 2 1/3 х = 2 1/3 - 1 1/3 х = 1
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