Step-by-step explanation:
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Answer:
her annual income is $360
Step-by-step explanation:
$360
The missing factor in the equation is -21
<h3>What is a distributive factor?</h3>
The Distributive Property introduces the multiplication operator an existing mathematical statement that involves the addition operator.
From the complete question, the equation is given as:

Where x represents the missing factor.
So, we have:

Remove brackets

Collect like terms

Evaluate the like terms

Divide both sides by -1

Hence, the missing factor in the equation is -21
Read more about the distributive property at:
brainly.com/question/2807928
So all you have to do is look at were the number is is it is in the first spot it is in the tenths place value, second spot hundredth and so