Question

7x-2y/xy
= 5

8х + 1 y /xy=15​

Answer 1

7x_2y/xy=5

7x-2y=5xy

(7-2)xy=5xy

5xy/5xy=1

Answer 2

Answer:

simultaneous equations: (7x-2y)/xy = 5. => 7x/xy - 2y/xy = 5. => 7/y - 2/x = 5 ----(1). and. (8x+7y)/xy = 15.

Step-by-step explanation:

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