Write the phrase as a mathematical expression. Use x as the variable.3 times a number, added to -6, plus 5 times the sum of 4 times the number and 9
A. 3(-6 + x) + 5(4x + 9)
B. 3x - 6 + 5(4 + 9x)
C. 3x + (-6) + 5(4x + 9)
D. 3(-6 + x) + 5(4 + 9x)
Answer: C
Mathematics
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