64=2·{12+3·[60-3·(27-4·3)]}-5x=4·3=12
64=2·{12+3·[60-3·(27-12)]}-5x = 27-12=15
64=2·[12+3·(60-3·15)]-5x=3·15= 45
64=2·[12+3·(60-45)]-5x=60 - 45 =15
64=2·(12+3·15)-5x =3·15=45
64=2·(12+45)-5x = 12+45 =57
64=2·57-5x =57·2=114
64=114-64=50
x=50:5
x=10
S ={10}
Sper Că Team Ajutat!
