Respuesta :

Numinum

Answer:

3x + 12 = 67

3x = 67-12

3x = 55

x=55/3

x=18.3333333333334

Answer:

Step-by-step explanation:

3x+12=67

    -12   -12

3x=55

divide both sides by 3

x=55/3

or x=18 1/3

Otras preguntas