2.3. A wrong equation is depicted using matches:

$$
\mathrm{VI}-\mathrm{IV}=\mathrm{IX}
$$

Obtain a correct equation by moving just one match. Find two solutions.
2.3. Here are these two solutions:

$$
\mathrm{V}+\mathrm{IV}=\mathrm{IX} \quad \text { and } \quad \mathrm{VI}+\mathrm{IV}=\mathrm{X} .
$$