5a+27a-a= 32a-a= 31a.
6x-14-13x+26 = -7x+12.
12b-17b-b = -5b-b = -6b.
-8-y+17-10y = 9-11y.
13a+2b-2a-b = 11a+b.
-5,1a-4b-4,9a +b= 0,2(a-15b).
41x-58x+6y-y= -9x+5y.
7,5x+y-8,5x-3,5y = 16x+4,5y.
5a+27a-a= 32a-a= 31a.
6x-14-13x+26 = -7x+12.
12b-17b-b = -5b-b = -6b.
-8-y+17-10y = 9-11y.
13a+2b-2a-b = 11a+b.
-5,1a-4b-4,9a +b= 0,2(a-15b).
41x-58x+6y-y= -9x+5y.
7,5x+y-8,5x-3,5y = 16x+4,5y.