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29 October, 13:03

5x + 48 + 7x = 12 (x + 4)

How many solutions?

+2
Answers (2)
  1. 29 October, 14:00
    0
    The answer is 0=0

    Here's the work=

    12 (x+4) = 12•x + 12•4 = 12x + 48

    5x + 48 + 7x = 12x + 48

    Thus, the answer is 12x + 48 = 12x + 48, which, when simplified, equals 0=0
  2. 29 October, 16:24
    0
    5 х + 48 + 7 х = 12 * (х + 4)

    12 х + 48 = 12 х + 48

    12 х - 12 х = 48 - 48

    0 = 0

    Infinite set of roots
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