Question

what is the sum of 18 but the diffence is 2

Answer 1

Answer:

8

Step-by-step explanation:

x + y = 18

 

x − y = 2

→ y = 18 − x

x − ( 18 − x ) = 2

x − 18 + x = 2

2 x − 18 = 2

2 x = 20

x = 10

∴ 10 + y = 18

y = 8