Determine if each is expression or an equation.write your answer on the blank.. _____l. 16 - 6 = 10 _____2.4 x 2 + 1 _____3. x ÷ 25 _____4.y + 8 = 40y _____5. five more than x _____6.nine less than w _____7. A number increase by 4 is twelve. ____8.Thirty is equal to twice a number decreased by four. ____9.thrice r. ____10.seven multiplied to the sum of twelve and four.