Question

In the following exercise, simplify each expressions.

$64+\left(-17\right)-9$

Short answer

The simplified value is 38.

Step-by-step solution

Step 1. Concept Used.

According to subtraction property, the subtraction of a number is equal to the addition of its opposite. This can be expressed as follows.

$a-b=a+\left(-b\right)$

Step 2. Calculation.

• Add the opposite of 17 with 64.
• Add the opposite of 9 to the result.

$\begin{array}{rcl}64+\left(-17\right)-9& =& 64-17-9\\ & =& 47-9\\ & =& 38\end{array}$

Step 3. Conclusion.

The simplified value of the given expression is 38.