2/x+3/y=13,5/x-4/y=-2,x#0,y#0 find x and y

Asked by Veena Dwivedi | 25th Apr, 2014, 09:20: PM

Expert Answer:

2 over x plus 3 over y equals 13 space... space left parenthesis i right parenthesis space a n d space 5 over x minus 4 over y equals minus 2 space space... space left parenthesis i i right parenthesis  thin space M u l t i p l y i n g space left parenthesis i right parenthesis space b y space 5 space a n d space left parenthesis i i right parenthesis space b y space 2 comma space t h e n space s u b t r a c t  10 over x plus 15 over y equals 65 space... space left parenthesis i right parenthesis space a n d space 10 over x minus 8 over y equals minus 4 space space... space left parenthesis i i right parenthesis  rightwards double arrow x equals 1 half space a n d space y equals 1 third

Answered by  | 26th Apr, 2014, 12:06: PM

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