Seudónimo Seudónimo

10-04-2017
Mathematics

contestada

0.4x + 3.9=5.78
I got x=9.75

Is this correct ?

Respuesta :

AlFresco AlFresco

10-04-2017

No. First subtract 3.9 from both sides. then divide your result by 0.4.

Answer Link

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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