Identify the like terms in the algebraic expression. 6x + 3y - 39y + 54x
A. 6 and 39; 3 and 54
B. 6x and 3y; -39y and 54x
C. 6x and 54x; 3y and -39y
D. 6 and 54; 3 and -39
Answer: C
Mathematics
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