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2 February, 14:46

2) Solve the equations, explain the steps for part a.

a) - 3 (2x + 4) = 7x + 19

b) 2x+4 = 7 - 5x

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Answers (1)
  1. 2 February, 16:33
    0
    Answer: a) x = 2,38 b) x = 0,42

    Explanation:

    a) - 3 (2x + 4) = 7x + 19

    -6x - 12 = 7x + 19

    -6x - 7x = 19 + 12

    -13x = 31

    x = 31

    13

    x = 2,38

    b) 2x+4 = 7 - 5x

    2x + 5x = 7 - 4

    7x = 3

    x = 3

    7

    x = 0,42
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