Question

{[a+4)x3]+3}:5=6....va rog rezolvati

Answer 1

{[a+4)x3]+3}:5=6
{[3a+12]+3}=6x5
[3a+12]+3=30
3a+12=30-3
3a+12=27
3a=27-12
3a=15
a=15:3
a=5

Answer 2

{[a+4)x3]+3}I:5=6{[a+4)x3]+3}=6×5[a+4)x3]I+3=30[a+4)x3]=30-3(a+4)Ix3=27(a+4)=27:3a+4=9a=4-9a=5 Sper sa te ajute