To solve the equation \( -18 = 9x \), follow these steps:

### Solution:
1. **Isolate the variable \(x\).**
   
   Divide both sides of the equation by \(9\) to solve for \(x\):

   \[
   x = \frac{-18}{9}
   \]

2. **Simplify the fraction:**

   \[
   x = -2
   \]

So, the solution is:

\[
x = -2
\]

Would you like further details or have any other questions?

### Related Questions:
1. How do you solve equations with fractions?
2. What happens if you divide by zero in an equation?
3. How do you solve equations with variables on both sides?
4. What is the inverse operation of multiplication?
5. How do you verify the solution of an equation?

**Tip:** Always simplify fractions to their lowest terms when solving equations!

Learn how to solve the equation -18 = 9x with a detailed step-by-step solution. This problem involves isolating variables and solving fractional equations. Suitable for students in Grades 7-9.

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