Answer:
24
Explanation:
here,
BD=BC
BD=5x-26
BC=2x+1
AC=43
AB=?
now,
or, 5x-26=2x+1
or, 5x-2x=1+26
or, 3x=27
or, x=9
replacing x,
=2*9+1
=19
then,
AC=AB+BC
or, 43= AB+19
or, 43-19=AB
or, 24=AB
