Question

решите уравнение 4,7-(2,5х+12,4)=1,9

Answer 1

$4,7-(2,5x+12,4)=1,9$
$4,7-2,5x-12,4-1,9=0$
$-2,5x-9,6=0$
$-2,5x=9,6$
$2,5x=-9,6$
$x= frac{-9,6}{2,5}$
$x=-3,84$