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29 July, 22:29

What's 9s + 3=57?

What's 4d + 6 = 42

-3y + 12 = - 48

These are 2 step equation I need the senders to

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  1. 29 July, 22:49
    0
    9s + 3 = 57 Subtract 3 from each side

    9s = 54 Divide each side by 9

    s = 6

    4d + 6 = 42 Subtract 6 from each side

    4d = 36 Divide each side by 4

    d = 9

    -3y + 12 = - 48 Subtract 12 from each side

    -3y = - 60 Divide each side by - 3

    y = 20
  2. 29 July, 22:50
    0
    9s + 3=57

    9s=57-3

    9s=54

    s=54/9

    s=6

    2) 4d + 6 = 42

    4d=42-6

    4d=36

    d=36/4

    d=9

    3)

    -3y + 12 = - 48

    -3y=-48-12

    -3y = - 60

    3y=60

    y=60/3

    y=20
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