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19 February, 05:00

Write and solve an equation to find the number n. Four times the difference of a number and 7 is 12.

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Answers (2)
  1. 19 February, 05:05
    0
    4 (n-7) = 12

    distribute the four; 4n-28=12

    add 28 to both sides; 4n=40

    divide both sided by four; n=10

    You can check the work by substituting 10 instead of n
  2. 19 February, 05:19
    0
    The equation is:

    4 (n-7) = 12

    Solution = n = 10
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