Ответы на вопрос:
1) 8х + 5.9 = 7х + 20 8х - 7х = 20 - 5.9 х = 14.1 2) 6х - 8 = -5х - 1.6 6х + 5х = 8 - 1.6 11х = 6.4 х = 0.58 3) 15у - 8 = - 6у + 4.6 15у + 6у = 8 + 4.6 21у = 12.6 у = 0.6 4) 16z + 1.7 = 2z - 1 16z - 2z = - 1.7 - 1 14z= - 1.8 z = - 0.12 5) 6x - 12 = 5x + 4 6x - 5x = 12 + 4 x = 16 6) - 9a + 8 = - 10a - 2 - 9a + 10a = - 8 - 2 a = -10 7) 7m + 1 =8m + 9 7m - 8m = -1 + 9 - m = 8 m = -8 8) - 12n - 3 = 11n - 3 - 12n - 11n = 3 - 3 - 23n = 0 9) 4 + 25y = 6 + 24y 4 - 6 = - 25y + 24y - 2 = -y y = 2 10) 11 - 5z = 12 - 6z - 5 + 6z= - 11 + 12 z = 1
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