(1-3x)+(x+2)=1 ; 1.2n-1=3.4-n ; 6y-(y-1)=4=5y ; 5x=(3x-3)=6x+11

(1-3x)+(x+2)=11-3x+x+2=1-2x=1-1-2-2x=-2x=11.2n-1=3.4-n1.2n+n=3.4+12.2n=4.4n=26y-(y-1)=4-5y6y-y+1=4-5y6y-y+5y=4-110y=3y=3/105x-(3x-3)=6x+115x-3x+3=6x+112x+3=6x+112x-6x=11-3-4x=8x=-2