Question

Tìm x :

x + 120 = 70 x 2

Answer 1

\(x+120=70\times2\)

\(x+120=140\)

              \(x=140-120\)

              \(x=20\)

Answer 2

Tìm x :

x + 120 = 70 x 2

x + 120 = 140

x          = 140 - 120

x          = 120

Vậy x = 120

Answer 3

Tìm x :

x + 120 = 70 x 2

x + 120 = 140

x          = 140 - 120

x          = 20

Vậy x = 20

Answer 4

x+120=140

x        =140-120

x        =20

Answer 5

x + 120 = 70 x2 

x + 120 = 140 

x           = 140 - 120 

x           = 20