x * 13 = 132,6
x = 132,6 : 13
x = 10,2
$\snippet{name: long_division, x: 132.6, y: 13, decimal: true}$

64,6 : x = 17
x = 64,6 : 17
x = 3,8
$\snippet{name: long_division, x: 64.6, y: 17, decimal: true}$

x : 14,5 = 4,6
x = 4,6 * 14,5
x = 66,70
$\snippet{name: column_multiplication, x: 4.6, y: 14.5}$

9,728x + 7,272x = 4,08
17x = 4,08
x = 4,08 : 17
x = 0,24
$\snippet{name: long_division, x: 4.08, y: 17, decimal: true}$

38,6x − 16,6x = 14,74
22x = 14,74
x = 14,74 : 22
x = 0,67
$\snippet{name: long_division, x: 14.74, y: 22, decimal: true}$

1,2x + 4,6x − 2,8x = 0,15
3x = 0,15
x = 0,15 : 3
x = 0,05
$\snippet{name: long_division, x: 0.15, y: 3, decimal: true}$