superboi27 superboi27

02-05-2021
Mathematics

contestada

Solve the following problems. It may be helpful to set up an equation. The sum of two numbers is 13, the difference is 4. What are the numbers? pls help

Respuesta :

clarch19 clarch19

02-05-2021

Answer:

y = 4 1/2

x = 8 1/2

Step-by-step explanation:

x + y = 13

x - y = 4

substitution method: let x = 4+y

4+y + y = 13

2y = 9

y = 4 1/2

x = 8 1/2

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