Nine times the input minus seven is equal to the output. Which of the following equations describes this function?

A) 9y - 7 = x

B) 7y - 9 = x

C) 9x - 7 = y

D) 7x - 9 = y

The table can be used to determine the solution of equations, 2x - 2y = 6 and 4x + 4y = 28. A table with 6 columns and 2 rows. The first column, Original System has 2 x minus 2 y equals 6 and 4 x plus 4 y equals 28.

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