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2014-05-24T17:44:46-03:00
C = F-32
5      9

C = 5-32
5       9

C = -27
5      9

C
= -3
5

C = -3.5
C = -15 ºC
2 5 2
  • Usuário do Brainly
2014-05-24T17:48:46-03:00
TF= 1,8×TC+32
5= 1,8TC+32
1,8TC+32=5
1,8TC= 5-32
1,8TC= 27
1,8TC= -27
TC= -27÷1,8
TC= -15 C