Checking Analytic Skills Work Exercises mentally. Do not use a calculator.
Unknown Numbers Consider the following problem:
The difference between six 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. 6x - 9 = 5(x + 2)
B. 9 - 6x = 5(x + 2)
C. 6x - 9 = 5x + 2
D. 9 - 6x = 5x + 2
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