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Question

solve simultaneously for x and y in the following set of equations:
x-y=3
x-xy-2y-7=0
4 years ago

Answers

Anonymous
since y = x-3,
x - x(x-3) - 2(x-3) - 7 = 0
x^2-2x+1 = 0
x=1, y=-2
4 years ago

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