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# Algebra Class 6 Notes | DailyHomeStudy

April 3, 2021
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- The word ‘variable’ means something that can vary, i.e., change.
- The value of a variable is not fixed. We use a variable to represent a number and denote it by any letter such as l, m, n, p, x, y, z etc.
- A variable allows us to express relation in any practical situation and to express many common rules and properties of geometry, algebra etc.
- An expression with a variable, constants and the sign of equality (=) is called an equation.
- The value of the variable which satisfies the equation is called a solution of the equation.

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