Math Problem Statement
(−7x−9)−(−9x+2)
Solution
Let's simplify the expression:
Step 1: Distribute the negative sign to each term inside the parentheses.
Step 2: Combine like terms.
- Combine the -terms:
- Combine the constant terms:
So, the simplified expression is:
Would you like a more detailed explanation of any part of this? Or do you have another question?
Here are some related questions you might find interesting:
- How do you simplify expressions with multiple variables?
- What is the distributive property, and how does it apply here?
- How do you solve equations with like terms?
- Can you simplify expressions with fractions in a similar way?
- How do you factor expressions like ?
Tip: Always distribute the negative signs carefully when simplifying expressions with parentheses!
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Math Problem Analysis
Mathematical Concepts
Algebra
Simplifying Expressions
Combining Like Terms
Distributive Property
Formulas
Distributive property: a(b + c) = ab + ac
Combining like terms: ax + bx = (a + b)x
Theorems
Distributive property
Combining like terms theorem
Suitable Grade Level
Grades 7-9