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6 November, 18:14

Solve - 9 (t - 2) = 4 (t - 15).

The solution is t=

+5
Answers (2)
  1. 6 November, 18:15
    0
    Answer: t = 6

    Step-by-step explanation: First we solve for - 9 (t-2) and that comes out to be - 9t + 18. Then we solve for 4 (t-15) which comes out to be 4t - 60. So the new equation we have is - 9t + 18 = 4t - 60. In order to solve for t, we need to get t on one side of the problem by itself. To do this we will first add 9t to both sides and it comes out to be 18 = 13t - 60. t is still not by itself so now we add 60 to both sides and that gives us 78 = 13t. t is still not by itself so now we need to divide each side by 13 so that variable t is by itself. When we divide both sides by 13 we get 6 = t.
  2. 6 November, 18:15
    0
    6

    Step-by-step explanation:

    -9t + 18 = 4 (t-15)

    -9 + 18 = 4t - 60

    -9t = 4t-60-18

    -9t = 4t - 78

    -9 - 4 = - 78

    -13 = - 78t =

    t = - 78/-13

    t = 6
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