Question

express 18 as the sum of two odd prime numbers

Answer 1

Answer:

11 + 7 = 18

5 + 13 = 18

17 + 1 = 18

Answer 2

Step-by-step explanation: let the two odd nos. be 2x+1 and 2x+3

Then , the sum of the nos. is 18 so the equation is

(2x+1)+(2x+3) = 18

2x+2x+1+3 = 18

4x+4 = 18

4x = 18 - 4

4x=14

x=14/4

= 7/2