x+y = 8 and 1/x+1/y=1.5 then find the value of x and y
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x+y=8
so y=8-x//////equation 1
1/x+1/y=1.5
i.e, 1/x+1/y=3/2
i.e, (y+x)/ XY=3/2 /////// equation 2
substitute value of y in equation 2
8-x+x/x(8-x)=3/2
8= 3/2 (8x-x^2)
16=24x-2x^2
8=12x-x^2
so y=8-x//////equation 1
1/x+1/y=1.5
i.e, 1/x+1/y=3/2
i.e, (y+x)/ XY=3/2 /////// equation 2
substitute value of y in equation 2
8-x+x/x(8-x)=3/2
8= 3/2 (8x-x^2)
16=24x-2x^2
8=12x-x^2
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