Math Problem Statement
If the set of x values satisfying (3x+10)/2 >2 and 3x-6<x-2 is (A,B) , what is A+B?
Solution
We are given two inequalities:
Let's solve them step by step.
First inequality:
Multiply both sides by 2 to eliminate the fraction: Now subtract 10 from both sides: Divide by 3:
Second inequality:
First, subtract from both sides: Now add 6 to both sides: Finally, divide by 2:
Combine the two results:
From the first inequality, we have , and from the second inequality, we have .
Thus, the solution set is:
This corresponds to the interval . Therefore, and .
To find :
The value of is .
Would you like further details, or do you have any questions?
Here are 5 related questions to explore:
- What if one inequality was non-strict, like ?
- How does changing a coefficient in an inequality impact the solution range?
- What happens if we add an additional condition, like ?
- How can interval notation help in representing solutions graphically?
- How do absolute value inequalities differ from linear inequalities?
Tip: Always check if your inequality flips when dividing by negative numbers!
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Math Problem Analysis
Mathematical Concepts
Algebra
Inequalities
Interval Notation
Formulas
(3x + 10) / 2 > 2
3x - 6 < x - 2
Theorems
Properties of Inequalities
Combination of Solution Sets
Suitable Grade Level
Grades 8-10
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