equal expressions al phrase that contains constant/s and var LET'S SEE WHAT YOU HAVE LEARNED: Determine whether the following is an expression or an equation: 1. 3n - 5 2. 6x + 2 = 14 3. n -5= 12 4. 2n (5) 5. 12n - 4= 20 6. 4x + 2 = 10 7.30-7 8. 25xy 9. 8 + 6 = 22 10. a + c g