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8 October, 07:46

What is the anwser to 11a + 9 - 3a = - 7?

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Answers (2)
  1. 8 October, 08:02
    0
    8a+9=-7 subtract 9 from both sides. 8a = - 16 divide both sides by 8. a = - 2
  2. 8 October, 10:00
    0
    You simply the first side 11a - 3a = 8a.

    So we have a new equation: 8a + 9 = - 7

    Plus 7 in both side and you'll get 8a+16 = 0

    Then divided eight on both side and you'll get - 2 as your answer
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