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8 January, 23:30

Find the value of x

a. 7x=21

b. 9x=-81

c. 88=-11x

d 0.5x=49

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Answers (2)
  1. 8 January, 23:51
    0
    A. x=3 because you divide both by 7

    b. x=9 because again you divide both by 9

    c. x=8 because you divide both by 11 to isolate the variable

    d. x=98 because you divide 49 by. 5
  2. 8 January, 23:59
    0
    A. 7x=21

    x=3

    b. 9x=-81

    x=-9

    c. 88=-11x

    x=-8

    x/2=49

    x=98
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