# Question #cac52

##### 1 Answer

Mar 15, 2017

#### Explanation:

As you know, the C++ statement

#"sum" = "sum" + 47#

is equivalent to

#"the new value of sum" = "the old value of sum" + 47#

In other words, the variable that is added to the **left** of the *assigned* the value that is added to the **right** of the

In this case, for every iteration, the value of the variable

Now, you can write this using a single arithmetic assignment operator like this

#"sum + = 47"#

This is equivalent to saying that with every iteration, the variable that is added to the **left** increase by the value added to the **right** of the

In this notation, the fact that the value assigned to the variable is *increasing* by