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18 August, 08:08

What is 16+x=12 and - 3x=15

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Answers (2)
  1. 18 August, 09:02
    0
    1. x=-4

    2. x=-5

    Step-by-step explanation:

    16+x=12

    Subtract 16 from each side

    16+x-16 = 12-16

    x = - 4

    -3x=15

    Divide each side by - 3

    -3x/-3 = 15/-3

    x = - 5
  2. 18 August, 10:07
    0
    -4 and - 5

    because to get 16 to 12 you have to subtract 4 but it wants you to add so you put a negative sign infront of it.

    and a negative multiply by a negative equals a positive so - 3*-5=15
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