6. (5x + 35) = 330
=> 5x + 35 = 330 : 6
=> 5x + 35 = 55
=> 5x = 55 - 35
=> 5x = 20
=> x = 20 :5
=> x = 4
Rất vui được giúp bạn
6 . (5x + 35) = 330
=> 5x + 35 = 330 : 6
=> 5x + 35 = 55
=> 5x = 55 - 35
=> 5x = 20
=> x = 20 : 5
=> x = 4
Vậy x = 4
~Study well~
#JDW
6.(5x + 35)=330
5x + 35 =330 : 6
5x + 35 = 55
5x = 55 - 35
5x = 20
x =20 :5
x =4
\(6.\left(5x+35\right)=330\)
\(5x+35=330:6\)
\(5x+35=55\)
\(5x=55-35\)
\(5x=20\)
\(x=20:5\)
\(x=4\)