Respuesta :

Answer:

x=14

Step-by-step explanation:

1.) Add 11 to both sides

2.) divide both sides by 3

emmathesmartchick563
The answer is 14

Step 1: you move the constant to the right
3x=31+11
Step 2: calculate the left side first
3x=42
Step 3: then divide both sides by 3
x=14
Step 4: and then you have your answer