Question

Question #7b4ac

Answer 1

`17c+ 12d-8`

Explanation:

First step: organize all the similar numbers or variables

`16c+c+7d+5d-3-5`

Second step: add or subtract the matching values as it says

`17c+12d-8`

Note: you can't add or subtract any number of different variables.

ex: `16c+7d` or `5d-3`