dianewallace7p2mm8h dianewallace7p2mm8h
  • 16-01-2018
  • Mathematics
contestada

-0.4a+3=7
[tex] - 0.4a + 3 = 7[/tex]

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isabella1234mo isabella1234mo
  • 17-01-2018
sorry if I'm wrong
a = 10
this what I did
7 - 3 = 4 ÷ 0.4 = 10
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