Question

$1920 = \frac{1.44}{0.25 + x}$

Answer 1

1920 /1  = 1,44 /( 0,25 + x)
Multiplique em cruz
1 * 1,44 = 1920 ( 0,25 + x)

1,44  = 480  +  1920x
1,44 - 480 = 1920x
1920x = - 478,56
x = - 478,56/ 1920 = - 0,24925