Answer:
Step-by-step explanation: just search it up
Step 5 is <u>Transitive property of equality</u> or <u>substitution</u>
Given:
The expression is

To find:
The simplified form of given expression.
Solution:
We have,

On combining like terms, we get

Taking LCM in the parenthesis, we get



Therefore, the simplified form of the given expression is
.