Question: Unknown Numbers Consider the following problem. The difference between seven times a number and 9 is equal to five times the sum of the number

Unknown Numbers Consider the following problem.

The difference between seven times a number and 9 is equal to five times the sum of the number and 2. Find the number.

If x represents the number, which equation is correct for solving this problem?

A. 7x - 9 = 5(x + 2) 

B. 9 - 7x = 5(x + 2)

C. 7x - 9 = 5 x + 2 

D. 9 - 7x = 5 x + 2

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