Answer:
x = 1
Explanation:
given that b is the midpoint of ac , then
ab = bc ( substitute values )
4x - 3 = x ( subtract x from both sides )
4x - x - 3 = x - x ( simplify )
3x - 3 = 0 ( add 3 to both sides )
3x - 3 + 3 = 0 + 3 ( simplify )
3x = 3 ( divide both sides by 3 )
x =
, then
x = 1