Question

уравнение    x+(x:1,2)=12,32

Answer 1

1,2x+x=12,32*1,2
2,2x=14,784
x=14,784:2,2
x=6,72

Answer 2

$x+(x:1,2)=12,32$
$x(1+1:1,32)=12,32$
$x=12,32:(1+1:1,2)=12,32:(1+0,83)=12,32:1,83=6,73$