x+4y=45 and 3x+6y=75 hence,find the value x and y for mx+ny=86 from th – InterviewSolution

1.	x+4y=45 and 3x+6y=75 hence,find the value x and y for mx+ny=86 from the value n is 56.
Answer» x + 4y = 45 3x + 6y = 75 3x + 12y - 3x - 6y = 35 - 75 6y = 60 y = 10 x + 40 = 45 x = 5 mx + ny = 86 5m + 56×10 = 86 5m = 86 - 560 = -474 m = -94.8

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