(iii) 8x + 3y = 14,method)3x+y=5(Useolution – InterviewSolution

1.

(iii) 8x + 3y = 14,method)3x+y=5(Useolution

Answer»

8x + 3y = 14 ......(1)

3x + y = 5 .....(2)

From (2)y = 5 - 3x

So, put in (1)

8x + 3 ( 5 - 3x) = 14

8x + 15 - 9x = 14

x = 14 - 15 = -1

x = -1

So, y = 5 - 3 × (-1) = 5 + 3 = 8

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