Question

how many solutions does the equation have?

6-a = 1/3(9a-18)

a. one solution

b. no solution

c. infinite solution

Answer 1

@anx Please refrain from giving direct answers... You need to guide them to it. And the asker should participate.
http://openstudy.com/code-of-conduct

Answer 2

I'll rephrase, sorry mate.

6 - a = distribute the (1/3) so
6 - a = (3a - 6)

use algebra from this point to find a.

Answer 3

Also note

\(\Huge\color{red}{x}\color{blue}{(y+z)}=\color{green}{xy+xz}\)