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15 views1 page

Document 1

Uploaded by

MOHAMMED EHTESHAM HUSSAIN AARIZ
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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# Introduction to Basic Algebra

Algebra is the branch of mathematics dealing with symbols and the rules for
manipulating those symbols. Here are some key concepts:

## Key Terms
1. **Variable**: A symbol, usually a letter, that represents a number. Example: x,
y.
2. **Constant**: A fixed value. Example: 5, -3.
3. **Expression**: A combination of variables, constants, and operations. Example:
2x + 3.

## Solving Simple Equations


To solve an equation like `2x + 3 = 7`:
1. Subtract 3 from both sides: `2x = 4`.
2. Divide both sides by 2: `x = 2`.

Practice Problems:
1. Solve: `3x + 4 = 10`.
2. Solve: `5x - 2 = 18`.

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