Jawapan

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  • Pengguna Brainly
2016-05-05T16:42:30+08:00
7U+5=2U
5U = - 5
U = - 1
2 3 2
i forgot the formula thanks :)
welcome
  • GCL
  • Tangan Bantuan
2016-05-05T16:56:47+08:00
7U + 5 = 2U
7U - 2U = -5
5U = - 5
U = - 5 : 5
   = -1