Solve the following pairs of equations for x and y : 15/x-y+22/x+y = 5 , 40/x-y + 55/x+y=13; x is not equal to y and x is also not equal to -y
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letx-y =1/a
and x+y=1/b put it on given equation and solve it
and x+y=1/b put it on given equation and solve it
amisha42:
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