**1) a) 17 + x > 37**
\(x > 37 - 17\)
\(x > 20\)
**б) 5 - x ≤ 1**
\(-x ≤ 1 - 5\)
\(-x ≤ -4\)
\(x ≥ 4\)
**в) 6,2 + x ≥ 10**
\(x ≥ 10 - 6,2\)
\(x ≥ 3,8\)
**г) 0,6 - 2x < 0**
\(-2x < -0,6\)
\(x > 0,3\)
**2) a) 1 + 6x < 7**
\(6x < 7 - 1\)
\(6x < 6\)
\(x < 1\)
**б) 6x + 1 > 0**
\(6x > -1\)
\(x > -\frac{1}{6}\)
**в) 3 - 2x < 8**
\(-2x < 8 - 3\)
\(-2x < 5\)
\(x > -\frac{5}{2}\)
\(x > -2,5\)
**г) 6 - 15x ≥ 0**
\(-15x ≥ -6\)
\(x ≤ \frac{6}{15}\)
\(x ≤ \frac{2}{5}\)
\(x ≤ 0,4\)
**3) a) 4 + x < 1 - 2x**
\(x + 2x < 1 - 4\)
\(3x < -3\)
\(x < -1\)
**б) 2 + 6x > 5 + 7x**
\(6x - 7x > 5 - 2\)
\(-x > 3\)
\(x < -3\)
**в) 4x + 7 ≤ 6x + 1**
\(4x - 6x ≤ 1 - 7\)
\(-2x ≤ -6\)
\(x ≥ 3\)
**г) 9x ≥ 4x + 2**
\(9x - 4x ≥ 2\)
\(5x ≥ 2\)
\(x ≥ \frac{2}{5}\)
\(x ≥ 0,4\)
**4) a) 4(1 + x) > x - 2**
\(4 + 4x > x - 2\)
\(4x - x > -2 - 4\)
\(3x > -6\)
\(x > -2\)
**б) -(2x + 1) ≤ 3(x + 2)**
\(-2x - 1 ≤ 3x + 6\)
\(-2x - 3x ≤ 6 + 1\)
\(-5x ≤ 7\)
\(x ≥ -\frac{7}{5}\)
\(x ≥ -1,4\)
**в) 6(2x - 1) - (2 + x) < 0**
\(12x - 6 - 2 - x < 0\)
\(11x - 8 < 0\)
\(11x < 8\)
\(x < \frac{8}{11}\)
**г) 4(1 - x) + 5(x + 8) > 0**
\(4 - 4x + 5x + 40 > 0\)
\(x + 44 > 0\)
\(x > -44\)