Answer:
Commutative
Step-by-step explanation:
Given

Required
What law is applied
The applied law is commutative law of addition.
This law states that:

So:

When the positions of 2 and b are interchanged, we have:

Remove bracket


<em>Translate into an algebraic equation:-</em>
<em>The quotient of a number and 5.</em>
<em />
<em />
✳︎ First, the word "quotient" indicates that we divide.
Here, we have the quotient of a number and 5, so we divide the number by 5; let the number be d.
So the quotient of d and 5 looks as follows:-

<h3>Good luck with your studies.</h3>

Answer:
(x + 3) = 9/2
Step-by-step explanation:
Here, we want to write an equation to find the length of the rectangle
Mathematically;
Area of rectangle = length * breadth
15 3/10 = (x + 3) * 3 2/5
(x + 3) = 15 3/10 divided by 3 2/5
(x + 3) = 153/10 * 5/17
(x + 3) = 9/2