mcaleb730
mcaleb730 mcaleb730
  • 15-10-2020
  • Mathematics
contestada

-0.4a + 3 = 7

a = ? ​

Respuesta :

jaehee1012 jaehee1012
  • 15-10-2020
-0.4a = 7 - 3

-0.4a = 4

a = -10
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