Question

what is the additive inverse for $-23$?\
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a. $-\frac{1}{23}$\
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b. $23$\
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c. $\frac{1}{23}$\
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d. $24$

Explanation:

Step1: Define additive inverse

The additive inverse of a number $x$ is a number $y$ such that $x + y = 0$.

Step2: Solve for $y$

Let $x=-23$. Substitute into $x + y = 0$:
$$-23 + y = 0$$
Solve for $y$: $y = 23$

Answer:

B. 23