20 lines
619 B
Markdown
20 lines
619 B
Markdown
---
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categories:
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- Mathematics
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tags: [algebra]
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---
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* **Variable**
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* A symbol that stands for a value which may vary
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* **Equation**
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* A mathematical statement that equates two mathematical expressions (states that they are the same/ establishes an identity relation)
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* **Solution** ^678811
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* A numerical value that **satisfies** an equation. When the variable in the equation is replaced by the solution, a true statement results
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### Example
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$$ 4 = y - 11 $$
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The example above is an **equation**. $y$ is the variable. This can be replaced by $15$ which is the **solution** to the equation:
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$$ 4 = 15 -11 $$
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