1. 2(3x-7) - 5x ≤ 3x - 11 2. x-4(x-3) <3-6x 3. 12x-16 ≥ 11x +2(3x + 2) 4. 2x + 4(2x-3) ≥ 12x-11 5. 25-x>2-3(x-6)

Ответ:

1. 2(3x - 7) - 5x ≤ 3x - 11

   6x - 14 - 5x ≤ 3x - 11

   x - 14 ≤ 3x - 11

   -2x ≤ 3

   x ≥ -1.5

2. x - 4(x - 3) < 3 - 6x

   x - 4x + 12 < 3 - 6x

   -3x + 12 < 3 - 6x

   3x < -9

   x < -3

3. 12x - 16 ≥ 11x + 2(3x + 2)

   12x - 16 ≥ 11x + 6x + 4

   12x - 16 ≥ 17x + 4

   -5x ≥ 20

   x ≤ -4

4. 2x + 4(2x - 3) ≥ 12x - 11

   2x + 8x - 12 ≥ 12x - 11

   10x - 12 ≥ 12x - 11

   -2x ≥ 1

   x ≤ -0.5

5. 25 - x > 2 - 3(x - 6)

   25 - x > 2 - 3x + 18

   25 - x > 20 - 3x

   2x > -5

   x > -2.5

Ответ: x ≥ -1.5; x < -3; x ≤ -4; x ≤ -0.5; x > -2.5