-6 (0,5x - 1,5) - 4,5x – 8 = -3х + 9 -4,5х -8 = -7,5 х +1 ,
при x = 2/3
-7,5 * 2/3 + 1 = -2,5 *2 + 1 = -5 + 1 = -4
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-6 (0,5x - 1,5) - 4,5x – 8 = -3х + 9 -4,5х -8 = -7,5 х +1 ,
при x = 2/3
-7,5 * 2/3 + 1 = -2,5 *2 + 1 = -5 + 1 = -4