Math Problem Statement
Two numbers have a sum of 14. four times the larger number is 4 less than 6 times the smaller number. What are the numbers
Solution
Let's denote the two numbers as and , where is the larger number and is the smaller number.
We are given two conditions:
- The sum of the two numbers is 14: x + y = 14 \tag{1}
- Four times the larger number is 4 less than six times the smaller number: 4x = 6y - 4 \tag{2}
Step 1: Solve for one variable from Equation (1)
From equation (1), we can express in terms of :
Step 2: Substitute this expression into Equation (2)
Substitute into equation (2):
Step 3: Simplify the equation
Expand the left-hand side:
Step 4: Solve for
Move all terms involving to one side:
Step 5: Solve for
Now that we know , substitute this back into equation (1) to find :
Final Answer:
The two numbers are and .
Would you like further details or explanations?
Here are 5 related questions:
- How would the solution change if the sum of the two numbers were 20 instead of 14?
- What if the condition was 4 times the smaller number is 6 less than 6 times the larger number?
- Can you generalize this method for any sum and similar conditions?
- What happens if we swap the terms for the larger and smaller number in the second condition?
- How can this be represented graphically?
Tip: For word problems, always try to translate the problem into equations by identifying the relationships between the quantities.
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Equations
Systems of Equations
Formulas
Sum equation: x + y = 14
Linear relationship: 4x = 6y - 4
Theorems
Basic algebraic manipulation
Suitable Grade Level
Grades 8-10
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