(2x - 4)+ ( x + 9)
A. 3x+5
B.x+5
C.3x-13
D.x+9
1 answer:
Answer: option A, 3x + 5
first, i rewrote it and removed the parentheses.
2x - 4 + x + 9
then, i collected the like terms.
3x + 5
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