Answer:
-29a - 6b + 59c
Step-by-step explanation:
First, keep in mind that only like terms can be combined.
5a + 7b - 12a + 6c - 13b - 22a + 53c
You can rearrange them to make it easier:
<u>5a - 12a - 22a</u> + <u>7b - 13b</u> + <u>6c + 53c</u>
<u>-29a</u> <u>- 6b</u> + <u>59c</u>
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