б)
\(\frac{3}{4}\)(\(\frac{4}{3}\)x - 4) - 8(2\(\frac{1}{4}\)x + \(\frac{3}{8}\)) = \(\frac{3}{4}\) ⋅ \(\frac{4}{3}\)x - \(\frac{3}{4}\) ⋅ 4 - 8 ⋅ \(\frac{9}{4}\)x - 8 ⋅ \(\frac{3}{8}\) = x - 3 - 18x - 3 = (1 - 18)x + (-3 - 3) = -17x - 6
Ответ: -17x - 6