Math Problem Statement
Solution
The image contains an inequality problem with two parts:
We need to solve these inequalities and express the solution in interval notation.
Step 1: Solve the first inequality:
Distribute the : Subtract 18 from both sides: Divide by (and reverse the inequality because of dividing by a negative number):
Step 2: Solve the second inequality:
Subtract 12 from both sides:
Step 3: Combine the solutions:
The first inequality gives and the second gives .
In interval notation, this is:
This is the final solution for the combined inequalities.
Would you like more details or have any other questions?
Related Questions:
- How do you solve inequalities with multiplication or division involving negatives?
- Can you graph the solution to these inequalities on a number line?
- How does reversing the inequality sign work?
- What are the differences between "and" & "or" conditions in inequalities?
- How can interval notation be used for compound inequalities?
Tip:
Always remember to flip the inequality sign when multiplying or dividing by a negative number!
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Math Problem Analysis
Mathematical Concepts
Inequalities
Linear Inequalities
Interval Notation
Formulas
Solving linear inequalities
Distributive property: a(b + c) = ab + ac
Theorems
Inequality rule: Reversing the inequality when multiplying or dividing by a negative number
Suitable Grade Level
Grade 8-10
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