Question

What is the evaluation of:

a - 13 when a = 33.

Thanks & Happy New Year :)

Answer 1

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

33-13 = ?