**Chapter 1 - Linear Equations in Two Variables**

Elimination by equating

Elimination by equating coefficients

Solution by cross Multiplication

**Examples:**- Example 1;
- Example 2;
- Example 3;
- Example 4;
- Example 5;
- Example 6 ;
- Example 7 ;
- Example 8;
- Example 9;
- Example 10;
- Example 11;
- Example 12;
- Example 13;
- Example 14;
- Example 15;
- Example 16;
- Example 17;
- Example 18;
- Example 19;
- Example 20;
- Example 21
**Exercise:**- Exercise - 1 ;
- Exercise - 2 ;
- Exercise - 3 ( With Answer )

**Examples:**- Example 1;
- Example 2;
- Example 3;
- Example 4;
- Example 5;
- Example 6
**Exercise:**- Exercise - 4 (With Answer)

**Chapter 3 - Rational Expression**

**Examples:**- Example 1;
- Example 2;
- Example 3;
- Example 4;
- Example 5;
- Example 6
**Exercise:**- Exercise - 5 (With Answer)

**Chapter 4 - Quadratic Equations**

**Examples:**- Example 1and 2;
- Example 3 ;
- Example 4;
- Example 5;
- Example 6;
- Example 7;
- Example 8;
- Example 9;
- Example 10;
- Example 11;
- Example 12;
- Example 13;
- Example 14;
- Example 15;
- Example 16;
- Example 17;
- Example 18
**Exercise:**- Exercise - 6;
- Exercise - 7 (With Answer)

**Chapter 5 - Arithmetic Progressions**

**Examples:**- Example 1, 2, and 3;
- Example 4;
- Example 5;
- Example 6
**Exercise:**- Exercise - 8 (With Answer)

**Examples:**- Example 1;
- Example 2;
- Example 3;
- Example 4;
- Example 5;
- Example 6
**Exercise:**- Exercise - 5 (With Answer)