AB=3x-4, AC=40, AB=BC find the value of the variable x on the line segment.

Question



Answer 1

If these points are on a line, then AB + BC = AC = 40

if AB=BC then AB + AB = AC = 40

if AB = 3x -4, the 3x-4+3x-4 = 40

6x -8 = 40

6x = 48

x = 8