Solve the problem involving direct translation.The product of 4 and the sum of a number and 5 is equal to the difference of twice the number and 9. Find the number.
A. 4x + 5 = 9 - 2x; x = 7
B. 4(x + 5) = 2x - 9; x = - 
C. 4(x + 5) = 9 - 2x; x = - 
D. 4x + 5 = 2x - 9; x = - 7
Answer: B
Mathematics
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A. x = 
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