What is it x - 6 equals 9?

Answer 1

x-6=9

With this problem you have to isolate (Leave it by itself) X. In order to do this, You need to take away the -6, correct? to get rid of the -6, you have to add 6 to the left side. In algebra you always need to know, whatever you do to one side, you need to do to the other. So, then you add 6 to the 9. Then, you're left with x=15. Wa, La! In simpler terms,

x-6=9

+6, +6

x=15