8,26 x 11,69 in < EXERCISE 7 Solve for x leaving answers rounded off to one decimal place where necessary: 18 (a) x-3= x-2 5 7 (b) X x-1 X+2 x-1 x+6 2 -1 (c) x²-1 = x²-4 X-2 X+2 (d) =-2 x+1 6x x-3 9 (e) X 1 2 (f) x-3 x+3 9-x x-2x-3 2-x 15 3x+4 3x-2 x+1= 21x (h) x-1 x+6 x-3 x²+3x-18