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19 November, 18:53

Solve for x:

4x + 12 = 8 (given)

4x = - 4 (subtraction)

x = - 1

What is the reason for the last step in the argument?

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Answers (1)
  1. 19 November, 18:58
    0
    Step-by-step explanation:

    4x + 12 = 8 ➡ 4x = 8-12 ➡ 4x = - 4 ➡ x = - 1

    because a negative number divided by a positive number is equal to a negative number.
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