1-(1,5x-2)-(0,5x-1,1)
1.5=15/10 15/10=3/2 1-(3/2x-2)=1-3/2+2 1+2=3 0.5=5/10 5/10=1/2 1.1=11/10 3-3/2x-(1/2x-11/10)=3-3/2x-1/2x+11/10 -3/2x-1/2x=-2x 3+11/10=41/10 41/10-2x