Math Problem Statement
Solution
Let's solve the inequality given in the image:
Step-by-step solution:
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Distribute the across the expression inside the parentheses: So, the inequality becomes:
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Simplify the constant terms:
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Isolate by first subtracting 40 from both sides:
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Divide by to solve for , and reverse the inequality sign (since we're dividing by a negative number):
Solution:
The solution in interval notation is:
Would you like further details on any step? Feel free to ask!
Here are five related questions you might find helpful:
- How do you solve inequalities involving parentheses?
- What changes when dividing both sides of an inequality by a negative number?
- Can you explain the difference between solving inequalities and equations?
- How do you express inequality solutions in interval notation?
- What are the general steps for solving linear inequalities?
Tip: Always remember to reverse the inequality sign when multiplying or dividing both sides of an inequality by a negative number!
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Math Problem Analysis
Mathematical Concepts
Algebra
Inequalities
Distributive Property
Formulas
Distributive property: a(b + c) = ab + ac
Theorems
When dividing an inequality by a negative number, reverse the inequality sign.
Suitable Grade Level
Grades 9-10