To solve the equation \( \frac{x}{18} = 21 \), follow these steps:

1. Multiply both sides of the equation by 18 to eliminate the denominator:

\[
x = 21 \times 18
\]

2. Calculate \( 21 \times 18 \):

\[
x = 378
\]

Thus, the solution is \( x = 378 \).

Would you like further details or have any questions?

Here are 5 related questions for further exploration:
1. What happens if \( x \) is divided by another number, like 24 instead of 18?
2. How would the solution change if the equation was \( \frac{x}{18} = -21 \)?
3. What if the equation was \( \frac{x + 5}{18} = 21 \)? How would you solve it?
4. How do you handle an equation like \( \frac{x}{18} = 21 + 4 \)?
5. How do you solve \( \frac{x}{n} = 21 \), where \( n \) is an unknown number?

**Tip:** Always multiply both sides of an equation by the same number to maintain equality when removing a denominator.

Learn how to solve the linear equation \frac{x}{18} = 21 step-by-step. This problem demonstrates key algebraic techniques, such as multiplying both sides by the same number to eliminate fractions. Suitable for students in Grades 6-8.

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