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ziro4ka [17]
3 years ago
10

Please help Thank you

Mathematics
1 answer:
Tanzania [10]3 years ago
6 0
     3(t + 5) = 12
3(t) + 3(5) = 12
     3t + 15 = 12
          - 15  - 15
             3t = -3
              3     3
               t = -1

    -(c - 8) = 0
-(c) - (-8) = 0
     -c + 8 = 0
          - 8  - 8
           -c = -8
           -1    -1
            c = 8

      -10(s + 3) = 9
-10(s) - 10(3) = 9
       -10s - 30 = 9
              + 30 + 30
               -10s = 39
                -10    -10
                    s = -3.9

     2(f - 7) = 2
2(f) - 2(7) = 2
    2f - 14 = 2
       + 14 + 14
           2f = 16
           2      2
             f = 8

    -7(2t + 5) = -21
-7(2t) - 7(5) = -21
     -14t - 35 = -21
           + 35   + 35
            -14t = 14
            -14    -14
                t = -1

        1²/₃(3w + 10) = 0
1²/₃(3w) + 1²/₃(10) = 0
            5w + 16²/₃ = 0
                   - 16²/₃ - 16²/₃
                       5w = -16²/₃
                        5        5
                         w = -3¹/₃

     ⁵/₉(°F - 32) = °C
     ⁵/₉(°F - 32) = 8
⁵/₉(°F) - ⁵/₉(32) = 8
     ⁵/₉°F - 17⁷/₉ = 8
            + 17⁷/₉ + 17⁷/₉
               ⁵/₉°F = 25⁷/₉
        1⁴/₅(⁵/₉°F) = 1⁴/₅(25⁷/₉)
                  °F = 46²/₅
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