Răspuns :
x-4,65=92-85
x-4,65=7
x= 11, 65
Explicație pas cu pas:
x-4, 65= 85-92
x-4,65=-7
x=-7-4,65
x=-11,65
92-(x-4,65)=85
X-4,65=85+92
X-4,65=177
X=177+4,65
X=181,65
Verificare:181,65-4,65=177
Coroana????
X-4,65=85+92
X-4,65=177
X=177+4,65
X=181,65
Verificare:181,65-4,65=177
Coroana????