Class 10 · Mathematics (Basic) · Unit 3: Pair of Linear Equations in Two Variables

Elimination Method

Lesson 3 of 5

Multiply the equations by suitable numbers so that a variable's coefficients match, then add or subtract to eliminate that variable. Solve the resulting one-variable equation, then back-substitute for the other.

Substitution Method

Reducing to Linear Form

All lessons in this unit

1. Graphical Interpretation
2. Substitution Method
3. Elimination Method
5. Reducing to Linear Form
6. Word-Problem Setup