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16 March, 01:51

1)

4x + 5x + 12 = - 6 (given)

9x + 12 = - 6 (simplify)

9x = - 18 (subtraction)

x = - 2 (addition)

Which reason is incorrect?

A) addition

B) given

C) simplify

D) subtraction

+2
Answers (1)
  1. 16 March, 03:15
    0
    Option A, addition

    Step-by-step explanation:

    The last one because it says addition but you actually divide both sides by 9.

    Answer: Option A, addition
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