## ICSE Class 9 Maths Chapter 6 Simultaneous Equations Revision Notes

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## System of simultaneous linear equations

A pair of linear equations in the same two variables forms a system of simultaneous linear equations. They are satisfied by the same pair of values of the two variables. Two linear equations can have either only one solution, no solution or infinite solutions.

#### Main methods of solving simultaneous linear equations

**1. Substitution Method**

**2. Elimination Method – Subtraction or Addition:**

**3. Cross Multiplication Method**

### ICSE Class 9 Maths Chapter 6 Simultaneous Equations Revision Notes PDF