Question

[(49-x):6]•5-5=30 va rog ajutațima

Answer 1

[(49-x):6]•5-5=30
[(49-x):6]•5=35
(49-x):6=7
49-x=42
x=7

S={7}.

Answer 2

[(49-x):6]•5-5=30
[(49-x):6]•5=30+5
[(49-x):6]=35÷5
(49-×)=6×7
49-x=42
x=49-42
x=7

Proba:
[(49-7):6]•5-5=
[42:6]•5-5=
7•5-5=
35-5=
=30
Sper ca te-am ajutat!