Răspuns :
Răspuns:
4x[28+(n+2) :6]-5=23×5
4x[28+(n+2) :6]-5=115
4x[28+(n+2) :6]=115+5
4x[28+(n+2) :6]=120
28+(n+2) :6=120÷4
28+(n+2) :6=30
(n+2) :6=30-28
(n+2) :6=2
n+2=2×6
n+2=12
n=12-2
n=10
Răspuns:
4x[28+(n+2) :6]-5=23×5
4x[28+(n+2) :6]-5=115
4x[28+(n+2) :6]=115+5
4x[28+(n+2) :6]=120
28+(n+2) :6=120÷4
28+(n+2) :6=30
(n+2) :6=30-28
(n+2) :6=2
n+2=2×6
n+2=12
n=12-2
n=10