FelixTepec FelixTepec

11-05-2021
Mathematics

contestada

What solution to the system? Write the x-value and the y-value
10x+7y=1
-5x-7y=24

Respuesta :

akbusiness987 akbusiness987

11-05-2021

Answer:

y = - 7 and x = 5

Step-by-step explanation:

10x + 7y - 5x - 7y = 1 + 24

5x = 25

5x ÷ 5 = 25 ÷ 5

x = 5

- 5(5) - 7y = 24

- 25 - 7y = 24

- 25 + 25 - 7y = 24 + 25

- 7y = 49

- 7y ÷ - 7 = 49 ÷ - 7

y = - 7

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