zachaj1 zachaj1

17-05-2020
Mathematics

contestada

Which statements are true regarding the system of equations? Check all that apply. 8 x + 10 y = 30. 12 x + 15 y = 60.

Respuesta :

meredith48034 meredith48034

17-05-2020

Answer:

Step-by-step explanation:

8x + 10y = 30

12x + 15y = 60

-24x - 30y = -90

24x + 45y = 120

15y = 30

y = 2

8x + 20 = 30

8x = 10

x = 10/8

x = 5/4

(5/4, 2)

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