Question

2x + 12 = 3[ x - 7 ]

Answer 1

\(2x+12=3\left(x-7\right)\)

\(\Rightarrow2x+12=3x-21\)

\(\Rightarrow12=x-21\)

\(\Rightarrow x=33\)

Vậy \(x=33\)

Answer 2

2x+12=3(x-7)

=> 2x + 12 = 3x - 21

=> 12 = x - 21

=> x=33

Vậy x =33

Answer 3

2x + 12 = 3[x - 7]

=> 2x + 12 = 3x -21

=> 12 = x - 21

=> x = 33