Question

7x + 9x -3xy is ________ ​

Answer 1

Answer:

y = 16/3 , x = any number

Step-by-step explanation:

7x + 9x -3xy = 0

x(7+9-3y) = 0

16-3y = 0

16 = 3y

y = 16/3

7x + 9x - 3x(16/3) = 0

7x + 9x -16x = 0

0 = 0

Hence x can be any number and y = 16/3