# How do you evaluate 7d – 5c if d = 7 and c = 3?

##### 2 Answers

Mar 27, 2018

#### Explanation:

Given:

Plug in

Mar 27, 2018

49-15=34

#### Explanation:

First begin by substituting each variable for the number amount that is given (7 in for d and 3 for c). It will end up looking something like this:

It's just simple multiplication and subtraction from here on out:

So all simplified we get: