Write the following as an equation, using x for the unknown number. Then solve.The sum of four times a number and 9 is equal to the difference of twice the number and 2. Find the number.
A. 4(x + 9) = 2x - 2; - 19
B. 4x + 9 = 2x + 2; - 
C. 4x + 9 = 2x - 2; - 
D. 4x + 9 = 2x - 2; 
Answer: C
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