Math Problem Statement
Solution
The problem in the image contains a system of inequalities to solve and graph:
Let's solve each inequality step-by-step.
Inequality 1:
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Subtract from both sides:
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Subtract 4 from both sides:
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Divide by 3:
Inequality 2:
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Subtract from both sides:
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Subtract 7 from both sides:
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Divide by 5:
Combined Solution:
The solution to the system of inequalities is:
Graphing:
On the number line:
- A closed circle at because (it includes -1).
- An open circle at because (it does not include 2).
- A line connecting the points from to .
Would you like me to provide more details or answer any specific questions?
Here are 5 related questions to explore:
- How would the solution change if the inequality was ?
- What happens when dividing by a negative number in an inequality?
- How do you graph inequalities involving both greater than and less than?
- Can you solve a system of inequalities graphically using a coordinate plane?
- What is the difference between strict inequalities and non-strict inequalities?
Tip: When solving inequalities, always remember to reverse the inequality sign when multiplying or dividing by a negative number.
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Math Problem Analysis
Mathematical Concepts
Algebra
Inequalities
Linear Equations
Formulas
Solving inequalities by simplifying and isolating variables
Theorems
Properties of inequalities
Rules for multiplying/dividing by negative numbers
Suitable Grade Level
Grades 7-9
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