Respuesta :

Subtract 4 from both sides ( so 4-4 and 13-4) you should now have 3x=9 now 3 divided on both sides you should have an answer of x=3
doomdabomb
Answer:

x = 3

Step-by-step explanation:

3x + 4 = 13

Subtract 4 from both sides

3x = 9

Solve for x

x = 9/3

x = 3