Solve the following pair of linear equations by the substitutionmethod – InterviewSolution

1.

Solve the following pair of linear equations by the substitutionmethod:x+y 14

Answer»

Givenx+y =14......(1)x-y=4..........(2)

Solution:from (1)x=14-ysub in(2)14-y-y=4-2y=-10y=5now x=14-5=9therefore x=9 y=5

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