Math Problem Statement
if a+b +c =24 ab/2=24 find a,b,c
Solution
We are given the following system of equations:
- , which simplifies to .
To solve for , , and , let's proceed step by step.
Step 1: Express in terms of a single variable
From the second equation: This means and are factors of 48. Possible pairs can be:
Step 2: Use the sum equation
From the first equation: we can solve for : Now, we substitute the values of and from the factor pairs into this equation to find .
Step 3: Check for valid solutions
Let's check each pair:
-
For , , we get: This gives a negative value for , which may not be valid in this context.
-
For , , we get: Again, is negative.
-
For , , we get: This gives a positive value for , and is a valid solution.
-
For , , we get: This is also a valid solution.
-
For , , we get: This is another valid solution.
Thus, we have three valid solutions:
- , , ,
- , , ,
- , , .
Step 4: Final solutions
The possible sets of values for , , and are:
- , , ,
- , , ,
- , , .
Would you like more details or further clarification on any of these steps? Here are a few follow-up questions to help:
- How do you check the consistency of multiple solutions in systems of equations?
- What are some real-life applications of solving systems like these?
- How can you extend this type of problem to include more variables?
- What would happen if one of the numbers were constrained to be negative?
- How do you recognize when a system has multiple valid solutions?
Tip: When dealing with factorizations like , listing the possible factor pairs is an efficient way to find potential solutions.
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Math Problem Analysis
Mathematical Concepts
Algebra
Systems of Equations
Factorization
Formulas
a + b + c = 24
ab = 48 (from ab/2 = 24)
Theorems
Factor Pairs
Solving Systems of Equations
Suitable Grade Level
Grades 8-10
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