# How do you evaluate #−7 − 8 #?

##### 2 Answers

Jun 17, 2018

#### Answer:

#### Explanation:

You are subtracting. So -7-8 gives us

Jun 17, 2018

#### Answer:

Most likely:

Alternate possibility:

#### Explanation:

In general PEDMAS is normally specified as being evaluated from left to right (when operations are at the same level).

Therefore

would be evaluated as

However, I have encountered some computer programming languages/environments that claim to be PEDMAS but which evaluate right to left,

in which case