Concept explainers
To solve the equation
Answer to Problem 12WE
Explanation of Solution
Given:
The equation,
Concept Used:
- To get rid of a number in addition from one side, subtract the same number from both sides of equal sign.
- To get rid of a number in subtraction from one side, add the same number both sides of equal sign.
- To get rid of a number in multiplication from one side, divide the same number from both sides of equal sign.
- To get rid of a number in division from one side, multiply the same number both sides of equal sign.
Calculation:
To solve the given equation
Here to isolate r on right side, first divide both sides by P and then simplify further by subtracting 1 from both sides followed by divide with t on both sides as shown below,
Thus, on solving for the indicated variable it gives
Since it is a rational expression after solving for the indicated variable, so the denominator should not be zero. That is,
Chapter 4 Solutions
Algebra: Structure And Method, Book 1
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