a) 6x-(x+1)=6 b)2(x-1)+3(x-2)=7 c) x+4-5(x-8)=x-6

a) 6x-(x+1)=6 6x-x-1=6 5x=6+1 5x=6/5 x=1,2 2(x-1)+3(x-2)=7 2x-2+3x-6=7 5x-8=7 5x=8+7 5x=15/5 x=3 x+4-5(x-8)=x-6 x+4-5x+40=x-6 44-4x=x-6 -4x-x=-6+2 -5x=85 x=1,6