Find each sum or difference. 8 - (-13)

검증된 단계별 안내

Identify the problem as a subtraction involving a negative number: \(8 - (-13)\).

Recall the rule that subtracting a negative number is the same as adding its positive counterpart, so rewrite the expression as \(8 + 13\).

Perform the addition of the two positive numbers: \(8 + 13\).

Calculate the sum to find the result.

Write the final answer clearly as the sum of the original expression.

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주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Understanding Integers

Integers include positive and negative whole numbers, as well as zero. Recognizing how to work with negative numbers is essential for operations like addition and subtraction involving integers.

Subtracting Negative Numbers

Subtracting a negative number is equivalent to adding its positive counterpart. For example, 8 - (-13) is the same as 8 + 13, which simplifies the calculation.

Basic Arithmetic Operations

Performing addition and subtraction accurately is fundamental in algebra. Understanding how to combine numbers and apply operation rules ensures correct evaluation of expressions.