https://file.aiquickdraw.com/mathbot/file/1725901259627wfm510i2.jpg

The extracted expression from the image is:

\[
-2a + 7b - 9a + 15 - 3 - 2b
\]

Now, let's simplify it by combining like terms:

1. Combine the terms with \(a\): \(-2a - 9a = -11a\)
2. Combine the terms with \(b\): \(7b - 2b = 5b\)
3. Combine the constant terms: \(15 - 3 = 12\)

So the simplified expression is:

\[
-11a + 5b + 12
\]

Would you like further clarification on this, or have any specific questions?

Here are five related questions for practice:
1. What are like terms and how do you identify them?
2. How do you simplify expressions with multiple variables?
3. Can you combine variables with different powers (e.g., \(a^2\) and \(a\))?
4. How would you solve for \(a\) or \(b\) if this were an equation instead of an expression?
5. What is the next step if you were asked to factor this expression?

**Tip:** Always start by grouping like terms together before simplifying!

Simplify by combining like terms: -2a + 7b - 9a + 15 - 3 - 2b

Learn how to simplify the algebraic expression -2a + 7b - 9a + 15 - 3 - 2b by combining like terms. This exercise is ideal for students in Grades 7-9 and introduces key algebraic concepts such as combining like terms and simplifying expressions.

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