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2 September, 09:57

1.) Solve x - 9 = - 12

-) Solve 2t + 7 = - 1

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Answers (2)
  1. 2 September, 10:00
    0
    1) x=3

    2) t=-4

    Step-by-step explanation:

    x-9=-12

    x=3

    2t=-8

    t=-4
  2. 2 September, 10:00
    0
    x=-3; t=-4

    Step-by-step explanation:

    1) x - 9 = - 12

    x=-12+9

    x=-3

    2.

    2t + 7 = - 1

    2t=-1-7

    2t=-8

    t=-4
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