Question

Points a,b and c are collinear and in that order. If AC=3x+3, AB=-1+2x, and Bc=11, find x and AC

Answer 1

The answers are:

AC = AB + BC

3x+3 = -1+2x+11

3x-2x = -1-3+11

x = 7

AC = 3x+3                   x = 7

AC = 3x7+3

AC = 24

Hope it helps!