2. Solve the pair of linear equations x - y = 18 and x - 2y = 0 and if – InterviewSolution

1.

2. Solve the pair of linear equations x - y = 18 and x - 2y = 0 and if the solution satisfies y = mx + 4, then find m.

Answer»

y=18 x=36 m=18/7 subtract 2nd eq from 1st and you will get value of y put it in 1 you will get x then put them in 3rd you will get m

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