Решение:
- а) \(13x - 26 = -130\)
\(13x = -130 + 26\)
\(13x = -104\)
\(x = -104 : 13\)
\(x = -8\) - б) \(5x - 3 = 3x - 11\)
\(5x - 3x = -11 + 3\)
\(2x = -8\)
\(x = -8 : 2\)
\(x = -4\) - в) \(24(x + 2) = 6(x - 4)\)
\(24x + 48 = 6x - 24\)
\(24x - 6x = -24 - 48\)
\(18x = -72\)
\(x = -72 : 18\)
\(x = -4\) - г) \(\frac{x+1}{3} = \frac{1}{2}x + \frac{1}{6}\)
Умножим обе части на 6 (наименьший общий знаменатель):
\(6 \cdot \frac{x+1}{3} = 6 \cdot \frac{1}{2}x + 6 \cdot \frac{1}{6}\)
\(2(x+1) = 3x + 1\)
\(2x + 2 = 3x + 1\)
\(2 - 1 = 3x - 2x\)
\(1 = x\)
\(x = 1\)
Ответ: а) -8; б) -4; в) -4; г) 1.