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Back to Pair of Linear Equations in Two Variables

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

Reducing to Linear Form

Lesson 4 of 5

Some non-linear systems can be linearised by substitution. E.g.

\dfrac{2}{x} + \dfrac{3}{y} = 13,\; \dfrac{5}{x} - \dfrac{4}{y} = -2

becomes linear in

u = 1/x, v = 1/y

.

Elimination Method

Word-Problem Setup

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