answersLogoWhite

0

It is an algebraic expression involving x.

Of do you mean 'what is x if 2x - 9 equals 9?'

2x - 9 = 9

⇒ 2x - 9 + 9 = 9 + 9

⇒ 2x = 18

⇒ 2x ÷ 2 = 18 ÷ 2

⇒ x = 9

User Avatar

Wiki User

12y ago

What else can I help you with?