Concept explainers
In Problems 17-36, solve each equation algebraically. Verify your solution using a graphing utility.
To find: The solution for the equation algebraically and verify using a graphing utility.
Answer to Problem 36AYU
Solution:
,
Explanation of Solution
Given:
The equation
Algebraic solution:
Take LCM on left hand side
Cross multiply both sides
Add to both sides
Add 36 to both sides
Splitting the middle term
Taking common from first two terms and 16 common from next two terms
Taking common factor
or
or
Or
Or
Check:
Let in the expression in on the left side of the equation
Take LCM
Since the expression on the left side give which is on the right side, the solution checks
Let in the expression in on the left side of the equation
Take LCM in the denominator
Take LCM
Divide the numerator and denominator by 5
Since the expression on the left side gives which is on the right side, the solution checks.
Chapter 1 Solutions
Precalculus Enhanced with Graphing Utilities
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