Ответы на вопрос:
22/3 * ( z - 1/2 ) = 3 1/5 * ( z + 1/3) 8/3 *( z - 1/2 ) = 16/5 * ( z + 1/3) 8/3z - 8/6 = 16/5z + 16/15 8/3z - 16/5z = 16/15 + 8/6 40/15z - 48/15z = 16/15 + 20/15 -8/15z = 36/15 z = -36/15 * 15/8 z = -4,5
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