Răspuns :
47•3-5•[301-(a+183)=136
141-5x[301-a-183]=136
141-1505+5a+915=136
5a=1505-141-915+136
5a=585
a=585|:5
a=117
141-5x[301-a-183]=136
141-1505+5a+915=136
5a=1505-141-915+136
5a=585
a=585|:5
a=117