4. Which expression is equivalent to – (6x + 9) – (x – 2)? A. 5x – 3 B. – 2x + 7.5 C. -4x – 3 D. -4x – 6

Question

4. Which expression is equivalent to – (6x + 9) – (x – 2)?
A. 5x – 3
B. – 2x + 7.5
C. -4x – 3
D. -4x – 6

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Thu Thảo 5 years 2021-08-12T03:58:49+00:00 1 Answers 16 views 0

Answers ( )

  1. Giakhanh
    0
    2021-08-12T04:00:45+00:00
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    A because 6x + 9 – x + 2 = 5x + 11

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )