The expression \((-30) - (+38)\) can be simplified as:

\[
-30 - 38
\]

When you subtract \(38\) from \(-30\), it is equivalent to adding \(-38\) to \(-30\), since subtraction of a positive number is the same as adding its negative counterpart:

\[
-30 - 38 = -68
\]

Thus, the result is \(-68\).

Would you like more details or have any questions?

Here are some related questions to deepen your understanding:
1. What is the result of \((-50) - (+25)\)?
2. How do you simplify expressions with mixed positive and negative numbers?
3. What is the difference between \((-30) + (+38)\) and \((-30) - (+38)\)?
4. How can you represent subtraction of a positive number on a number line?
5. What is the result of \((-100) - (-50)\)?

**Tip**: When subtracting a positive number from a negative number, visualize the movement further left on the number line!

Understand how to subtract a positive number from a negative number using the expression (-30) - (+38). This problem explores the concept of negative numbers and the formula for subtraction, with a clear step-by-step explanation. Suitable for students in Grades 5-7.

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