# Question #3dc52

Mar 21, 2017

The answer is $- 5 a + 14.2$, or $14.2 - 5 a$.

#### Explanation:

$8 + 4 a + 6.2 - 9 a$

Gather like terms.

$4 a - 9 a + 8 + 6.2$

Simplify.

$- 5 a + 14.2$ $\leftarrow$ $\textcolor{red}{\text{Try this instead}}$.

This can also be written as:

$14.2 - 5 a$ $\leftarrow$ This means the same as $- 5 a + 14.2$, but maybe the computer program wants it the other way. If it's still incorrect, contact your teacher.