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10 May, 14:27

When solving the following equation, what is a possible first step to solving?

-2m + 3 = 5m + 7

a, divide both sides by x

b, add 5m to both sides

c, add 2m to both sides

d, subtract 2m from both sides

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Answers (2)
  1. 10 May, 14:53
    0
    C! So you would combine - 2m to both sides!
  2. 10 May, 14:56
    0
    c, add 2m to both sides

    Step-by-step explanation:

    -2m + 3 = 5m + 7

    Add 2m to both sides

    -2m + 2m + 3 = 2m + 5m + 7

    3 = 7m + 7

    Subtract 7 from both sides

    3 - 7 = 7m + 7 - 7

    -4 = 7m

    Divide both sides by 7

    -4/7 = 7m/7

    -4/7 = m

    m = - 4/7
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