solve it : 7x-2y=5xy ; 8x+7y=15xy
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Subtract eqn 1 from 2 we get
X+9Y-10xy=0 eqn 3
Now multiply 7 in eqn 3 we get eqn 4
Then again subtract 1 from 4 we get the answer like this
X+9Y-10xy=0 eqn 3
Now multiply 7 in eqn 3 we get eqn 4
Then again subtract 1 from 4 we get the answer like this
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