Question

13(y-4)-3(y-9)=5(y+4) verify in lhs rhs both

Answer 1

13y-52-3y+27=5y+20
13y-3y-5y=20+52
5=72

Answer 2

lhs=13(y-4)-3(y-9) 
=13y-52-3y+27

=13y-3y-52+27
=10y-25
rhs =5(y+4)

=5y+20
therefore 
lhs is not equal to rhs