1) x+y=4;2x-5y=1. 2) 2x+y=5;3x-y=5 – InterviewSolution

1.	1) x+y=4;2x-5y=1. 2) 2x+y=5;3x-y=5
Answer» 1) x+y=42x-5y=1Multiply equation 1 with 22x+2y=82x-5y=1Subtract both equations7y=7; y=1x=4-yx=32)2x+y=53x-y=5Add both equations5x=10x=2y=3x-5=3(2)-5=6-5=1

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