A student combined like terms to create the expression 15x + 39. What could the original expression have been? Choose all


A student combined like terms to create the expression 15x + 39.
What could the original expression have been? Choose all that apply.
A. (5x + 5x + x) + 39 + 5x
B. 5x + 13 + 5x + 26 + 5x
c. 3(5x + 39)
D. 3(5x + 13)
E. (3 · 5) + x + 39


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