The expression you provided is:

\[
7 + (-8) \times 9
\]

To solve it, follow the order of operations (PEMDAS: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right)):

1. **Multiply** \(-8\) by \(9\):

   \[
   -8 \times 9 = -72
   \]

2. **Add** \(7\) to \(-72\):

   \[
   7 + (-72) = 7 - 72 = -65
   \]

So, the result is:

\[
\boxed{-65}
\]

Would you like more details, or do you have any questions?

### Related Questions:
1. What is the result of \( 7 - 8 \times 9 \)?
2. How do you solve expressions involving negative numbers?
3. What happens when you change the order of operations in a math problem?
4. How does multiplication affect the sign of a number?
5. How would this expression change if it were \( 7 \times (-8) + 9 \)?

### Tip:
Always remember to perform multiplication and division before addition and subtraction when solving expressions!

Discover how to solve the arithmetic expression 7 + (-8) x 9 by applying the order of operations (PEMDAS). This guide breaks down the multiplication and addition steps, explaining how negative numbers affect the result. Suitable for students in Grades 5-7.

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