Упростите выражение: 1) -1/9(3b-9)+1/3b 2) -19/8(4c+8/19)+19/2

[latex]1)-\frac{1}{9}\cdot (3b-9)+\frac{1}{3}b=-\frac{1}{9}\cdot 3b -\frac{1}{9}\cdot (-9)+\frac{1}{3}b=-\frac{1}{3}b+1+\frac{1}{3}b=1 \\ 2)-\frac{19}{8}\cdot (4c+ \frac{8}{19} )+ \frac{19}{2}=-\frac{19}{8}\cdot 4c-\frac{19}{8}\cdot\frac{8}{19} + \frac{19}{2}= - \frac{19}{2}c-1+ \frac{19}{2}=[/latex] [latex] - \frac{19}{2}c- \frac{2}{2} + \frac{19}{2}=- \frac{19}{2}c+ \frac{17}{2} [/latex]