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5 October, 06:47

Solve 3c + 4 = - 4c - 17

A. 3

B. - 3

C. 21

D. - 21

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Answers (1)
  1. 5 October, 08:48
    0
    3c + 4 = - 4c - 17

    3c = - 4c - 17 - 4 Subtracted 4 from both sides

    3c + 4c = - 21 Added 4c to both sides. (-17 - 4 = - 21)

    7c = - 21 Combined like terms (4c + 3c = 7c)

    c = - 3 Divided 7 both sides
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