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30 July, 17:57

Solve kx - 4 = 9 for x.

ОА. x = 13 - к

Ов. х=

Ос. х - 13

Op. x = 13k

+3
Answers (1)
  1. 30 July, 18:01
    0
    kx-4=9

    Move - 4 to the other side. Sign changes from - 4 to + 4

    kx-4+4=9+4

    kx=13

    Divide by k for kx and 13

    Cross out k and k = 1.

    x=13/k

    Answer: x=13/k
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