Question

Afla numarul necunoscut
12+{12+[12-(12:x+5)÷3]÷5}÷7=14

Answer 1

12 + {12+[12-(12:x+5):3]:5}:7 = 14

{12+[12-(12:x+5):3]:5}:7 = 2

12+[12-(12:x+5):3]:5 = 14

[12-(12:x+5):3]:5 = 2

12-(12:x+5):3 = 10

-(12:x+5):3 = -2

(12:x+5):3 = 2

12:x+5 = 6

12:x = 1

x = 12/1

x = 12

Answer 2

Ai rezolvarea in poza!