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25 May, 10:36

How many solutions does this equation have?

-6 - 8r = 8 - r

+5
Answers (2)
  1. 25 May, 10:39
    0
    r = -2

    Step-by-step explanation:

    -6 - 8r = 8 - r

    Add r to each side

    -6 - 8r+r = 8 - r+r

    -6 - 7r = 8

    Add 6 to each side

    -6+6 - 7r = 8+6

    -7r = 14

    Divide each side by - 7

    -7r/-7 = 14/-7

    r = -2
  2. 25 May, 11:00
    0
    1

    Step-by-step explanation:

    -6 - 8r = 8 - r

    - 8r - r = 8 + 6

    -9r = 14

    r = - 14/9
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