Question

Combine the like terms to create an equivalent expression 8n+12+(-9)-(-6n)

Answer 1

14n + 3

Explanation:

Recall that +(-9) = -9, and that -(9) = -9.

Therefore,

8n+12+(-9)-(-6n) becomes 8n + 12 - 9 + 6 n.

Next, we combine like terms, obtaining 14n + 3