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19 December, 13:18

Solve the formula 9/5c + 32=f for c and use the resulting formula to find the tempeture in degrees celsius when the fahrenheit tempeture is 77

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  1. 19 December, 14:06
    0
    9/5c + 32 = f

    9/5c = f - 32

    c = 5/9 (f - 32) <==

    when f = 77

    c = 5/9 (77 - 32)

    c = 5/9 (45)

    c = 225/9

    c = 25 <==
  2. 19 December, 17:10
    0
    9c/5+32=f

    (9c+160) / 5=f

    9c+160=5f

    9c=5f-160

    c = (5f-160) / 9

    c (77) = (5 (77) - 160) / 9

    c (77) = 25°
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