What is the value of the expression?
-16 + 12
Answer (1)
We need to calculate the value of the expression − 16 + 12 .
Adding the numbers results in − 16 + 12 = − 4 .
The value of the expression is − 4 .
Explanation
Understanding the Problem We are asked to find the value of the expression − 16 + 12 . This is a simple arithmetic problem involving the addition of two integers with different signs.
Performing the Calculation To calculate − 16 + 12 , we can think of it as starting at − 16 on the number line and moving 12 units to the right. Since 12 is smaller than 16, we will end up with a negative number. The difference between 16 and 12 is 4, so the result is − 4 .
Stating the Answer Therefore, − 16 + 12 = − 4 .
Examples
Imagine you are tracking your expenses. You spent $16 on a new book (-$16) and then received $12 as a gift (+$12). The expression -16 + 12 helps you calculate your net financial position. In this case, you are $4 in debt.
