Question

In the following exercise, simplify each expressions.

(a) $44-28$

(b)$44+\left(-28\right)$

Short answer

Part (a) The simplified value is 16.

Part (b) The simplified value is 16.

Step-by-step solution

Part (a) 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.

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

Part (a) Step 2. Calculation.

Subtract 28 from 44.

$44-28=16$

Part (b) 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.

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

Part (b) Step 2. Calculation. 

Add the opposite of 28 with 44.

$\begin{array}{rcl}44+\left(-28\right)& =& 44-28\\ & =& 16\end{array}$