ConceptAlgebraic Methods of Solving a Pair of Linear Equations - Substitution Method

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#### Question

Solve each of the following system of equations by eliminating x (by substitution) :

(i) x + y = 7

2x – 3y = 11

(ii) x + y = 7

12x + 5y = 7

(iii) 2x – 7y = 1

4x + 3y = 15

(iv) 3x – 5y = 1

5x + 2y = 19

(v) 5x + 8y = 9

2x + 3y = 4

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#### Reference Material

Solution for concept: Algebraic Methods of Solving a Pair of Linear Equations - Substitution Method. For the course CBSE