Mathematics, 26.02.2020 19:56, Emptypockets451

Which statement is correct about the values of x and y in the following equation?
7x+xy = xy+21
a) the equation is true for all ordered pairs (x, y)
b) there are no (x, y) pairs for which this equation is true.
c) for each value of x, there is one and only one value of y that makes the equation true.
d) for each value of y, there is one and only value of x that makes the equation true.

Answers: 2

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Which statement is correct about the values of x and y in the following equation?
7x+xy = xy+...