Write the following phrase as an algebraic expression and simplify if possible. Let x represent the unknown number.One-half a number, minus nine, plus three times the number

A. x - 9 + 3x
B. x - 9
C. x - 
D. x - 6

Answer: B

Mathematics

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A. 61 B. 57 R40 C. 57 R60 D. 57

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