Seudónimo Seudónimo
  • 10-04-2017
  • Mathematics
contestada

0.4x + 3.9=5.78
I got x=9.75

Is this correct ?

Respuesta :

AlFresco
AlFresco AlFresco
  • 10-04-2017
No.  First subtract 3.9 from both sides.  then divide your result by 0.4.
Answer Link
friedalafiesta
friedalafiesta friedalafiesta
  • 10-04-2017
0.4x+3.9=5.78
-3.9        -3.9
0.4x=1.88
-----   ------
0.4     0.4
x = 4.7
Answer Link

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