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May 5, 2016
Posted by **Phil** on Tuesday, January 1, 2013 at 2:15pm.

a - 13 when a = 33.

Thanks & Happy New Year :)

- Algebra -
**Knights**, Tuesday, January 1, 2013 at 4:43pmok 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 = ?