Помогите дам 10 балов х:3=27:9*5
39 +х=42*2+5
36*х=64:8*9

X : 3 = 27 : 9 * 5X : 3 = 3 * 5X : 3 = 15X = 15 * 3X = 45Ответ: X = 45.39 + X = 42 * 2 + 539 + X = 84 + 539 + X = 89X = 89 - 39X = 50Ответ: X = 50.36 * X = 64 : 8 * 936 * X = 8 * 936 * X = 72X = 72 : 36X = 2Ответ: X = 2.