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A basic premise of Alegbra is that a letter (or variable) can be put where a number is supposed to go.
This page will show you how to perform basic mathematical operations on expressions that involve variables.
To use this page, type your expression that contains variables into the first box below. For any variables, fill in their values into one of the 26 smaller boxes. Click "Number Crunch" to see how to find the single value for the expression. |

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