The sum of two numbers is 20. The difference of the two numbers is twice the smaller number. What are the two numbers?

Question

Mathematics

Patricia Dorsey

26 June, 06:36

The sum of two numbers is 20. The difference of the two numbers is twice the smaller number. What are the two numbers?

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Answers (1)

Know the Answer?

Jayden Guzman · Answer 1

Answer: x = 15; y = 5

Step-by-step explanation:

x + y = 20

x - y = 2*y

x = 20 - y

20 - y - y = 2*y

20 - 2*y = 2*y

- 2*y - 2*y = - 20

- 4*y = - 20

y = - 20 / - 4

y = 5

x + y = 20

x + 5 = 20

x = 20 - 5

x = 15