Respuesta :

Answer: x= 12

Step-by-step explanation:

3x+6 = 42

or, 3x = 36

so, x = 12

Answer:

x = 12

Step-by-step explanation:

3x + 6 = 42 ( subtract 6 from both sides )

3x = 36 ( divide both sides by 3 )

x = 12