Question

Simplify 3c - 9d + 7c + 5d

Answer 1

`10c-4d`

Explanation:

The given expression is
`3c-9d+7c+5d`

First of all we make groups of like terms as shown below.

`(3c+7c)+(-9d+5d)`

Now, we combine the like terms.

`(3+7)c+(-9+5)d`

On simplifying, we get

`10c-4d`

Therefore, the simplified expression is
`10c-4d`