Algebra
posted by Phil .
What is the evaluation of:
a  13 when a = 33.
Thanks & Happy New Year :)

ok plug it in.
for example... x + 1 = ?
if x = 1
thus 1 replaces x, (get rid of the x and stick in a 1) so we would get 1+1 = 2
same here.
remove the a and stick in a 33 to get
3313 = ?