[tex]3,5x-5,5-0,8x+0, 6=2,7x-4,9\\\\\\ \frac{1}{3}-x+ \frac{1}{2} x-1=-\frac{1}{2}x-\frac{2}{3}\\\\\\4x-\frac{2 }{3}x-2x+ \frac{3}{4}=1\frac{1}{3}x+\frac{3}{4}\\\\\\0,35+3,75x-13x-1,65=-9,25x-1,3\\\\\\\\6-x+7x-4=6x+2\\\\\\a+8-6a+2=-5a+10\\\\\\\frac{a}{2}+2a=\frac{1}{2}a +2=2\frac{1}{2}a\\\\\\3b-\frac{b}{3}=3b-\frac{1}{3}b=2\frac{2}{3}b\\\\\\\frac{3x}{2}+\frac{x}{4}= \frac{6x}{4}+\frac{x}{4}=\frac{7x}{4}=1\frac{3}{4}x[/tex]
