Answer:
-13 + (1/6)x
Explanation:
Let's combine the x terms here. The LCD of (1/3)x and (-1/6)x is 6, so this expression can be re-written as (2/6)x - (1/6)x, which comes out to (1/6)x.
Combining the constant terms -6 and -7, we get -13, and so the final, simplified result is -13 + (1/6)x.