Упростите выражение. 2)4 2/5(3/11-а)-1 1/5; 4)-2 3/8(4с+8/19)+9 1/2с

[latex]4 \frac{2}{5}( \frac{3}{11}-a)-1 \frac{1}{5}= \frac{22}{5}( \frac{3}{11}-a)-1 \frac{1}{5}= \frac{22*3}{5*11}- \frac{22}{5}a- \frac{6}{5}= \frac{6}{5}- \frac{22}{5}a- \frac{6}{5}=[/latex][latex]- \frac{22}{5}a=-4 \frac{2}{5}a [/latex] [latex]-2 \frac{3}{8}(4c+ \frac{8}{19})+9 \frac{1}{2}c=- \frac{19}{8}(4c+ \frac{8}{19})+\frac{19}{2}c= - \frac{19}{2}c-1+ \frac{19}{2}c=-1[/latex]