Question

determinați nr x stiind ca: 3+{4+2×[2+(6+x):3]-17}=24

Answer 1

4+2×(2+6+x:3)-17= 21 ( 24-3 )
4+2×(2+6+x:3)= 38 (21+17)
2×(2+6+x:3)= 34 (38-4)
2+6+x:3= 17 ( 34÷2)
6+x:3= 15 ( 17-2)
x:3= 9 (15-6)
x=9×3
x=27