Question

B is between A and C. If AB=4x+9, BC=5x+2, and AC=56, find the value of AB.​

Answer 1

AB=29

Explanation:

A-------B-------------C

AB+BC=AC

4x+9+5x+2=56

9x+11=56

9x=56-11

x=45/9

x=5

Putting the value of x

AB=4x+9

AB=4×5+9

AB=29