1. Solve the following pair of linear equations by the substitution me – InterviewSolution

1.

1. Solve the following pair of linear equations by the substitution method.(i) xt y 14(ii) s-t3, to get63 23x -y 39x-3y 9(iv) 0.2x +0.3y1.30.4x+ 0.5y 2.3

Answer»

iii)

3x - y = 3 ...(1)

9x - 3y = 9 ....(2)

As observe (1) × 3 = (2)

Therefore , there are infinite solution

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