Let's solve the given equations: 1. 10 = 1 + 9 = 2 + 82. = 103. = 104. = 105. = 10- 3 + 7 = 10- 4 + 6 = 10- 5 + 5 = 10- 3 + 1 = 4 + 6 = 106. = For the last equation, we need to determine the values of Z and E that make the equation correct. Let's start with the information provided: - Z + 3 = 10- 4 + 6 = 10- 5 + 5 = 10- E + 1 = 10 From the given equations, we can deduce the values: - Z = 7 (since 3 + 7 = 10)- E = 9 (since 1 + 9 = 10) Now, we can complete the last equation: 6. E + Z = 9 + 7 = 16 Therefore, the sum of E + Z is 16.