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=7 x=7/5 b)2(x-1)+3(x-2)=7 2x-2+3x-6=7 5x=15 x=3 c)x+4-5(x-8)=x-6 x+4-5x+40=x-6 -5x=-46 x=9,2

a) 6x-(x+1)=6 6x +x=6-1 7x=5 / :7 x = 0,(7142) b)2(x-1)+3(x-2)=7 2x -2 +3x -6 = 7 2x +3x = 7 +2 +6 5x= 15 / 5 x =3 c) x+4-5(x-8)=x-6 x +4 - 5x - 40 = x -6 -3x= -6-4 +40 -3x= 30 / (-3) x = 10