252 : x = 6

Решение уравнений: **Столбец 1:** 1. 252 : x = 6 => x = 252 : 6 => x = 42 2. 159 : x = 3 => x = 159 : 3 => x = 53 3. 120 : x = 40 => x = 120 : 40 => x = 3 4. 48 * x = 576 => x = 576 : 48 => x = 12 5. 15 * x = 135 => x = 135 : 15 => x = 9 6. x : 28 = 30 => x = 30 * 28 => x = 840 7. x : 51 = 19 => x = 19 * 51 => x = 969 8. x * 22 = 308 => x = 308 : 22 => x = 14 9. x * 17 = 357 => x = 357 : 17 => x = 21 10. x * 13 = 234 => x = 234 : 13 => x = 18 **Столбец 2:** 1. (3x + 7) * 2 = 32 => 3x + 7 = 16 => 3x = 9 => x = 3 2. (2x - 20) : 32 = 6 => 2x - 20 = 192 => 2x = 212 => x = 106 3. (42 + 2x) : 2 = 32 => 42 + 2x = 64 => 2x = 22 => x = 11 4. (5x - 7) * 5 = 15 => 5x - 7 = 3 => 5x = 10 => x = 2 5. (13 - 2x) * 3 = 27 => 13 - 2x = 9 => 2x = 4 => x = 2 6. (40 - 4x) : 2 = 16 => 40 - 4x = 32 => 4x = 8 => x = 2 7. (63 - 9x) : 3 = 15 => 63 - 9x = 45 => 9x = 18 => x = 2 8. 4(x - 3) = 12 => x - 3 = 3 => x = 6 9. 5(x + 5) = 45 => x + 5 = 9 => x = 4 10. 3(x - 7) = 9 => x - 7 = 3 => x = 10 **Столбец 3:** 1. (2x + 5) * 3 = 15 => 2x + 5 = 5 => 2x = 0 => x = 0 2. (8 + 4x) * 2 = 48 => 8 + 4x = 24 => 4x = 16 => x = 4 3. (11 - 3x) * 3 = 15 => 11 - 3x = 5 => 3x = 6 => x = 2 4. (5x + 2) * 5 = 60 => 5x + 2 = 12 => 5x = 10 => x = 2 5. (49 - 11x) : 3 = 9 => 49 - 11x = 27 => 11x = 22 => x = 2 6. (15 + 3x) : 3 = 6 => 15 + 3x = 18 => 3x = 3 => x = 1 7. (12 + 7x) * 2 = 24 => 12 + 7x = 12 => 7x = 0 => x = 0 8. 7(x + 2) = 49 => x + 2 = 7 => x = 5 9. 15 : (x + 2) = 5 => x + 2 = 3 => x = 1 10. 21 : (x - 7) = 7 => x - 7 = 3 => x = 10