malorie98
contestada

How many solutions does this linear system have? y = 2x – 5 –8x – 4y = –20 one solution: (–2.5, 0) one solution: (2.5, 0) no solution infinite number of solutions

Respuesta :

nooodles12

Answer: b. one solution: (2.5, 0).

Step-by-step explanation:

y = 2x - 5

-8x - 4y = -20

-8x - 4y = -20

-8x - 4 * (2x - 5) = -20

-8x - 8x + 20 = -20

20 + 20 = 16x

16x = 40

x = 40/16

x = 2.5   y = 2x - 5 = 2 * 2.5 - 5 = 5 - 5 = 0

(x, y) = (2.5, 0)

lexrabb83

Answer:

its B

bc purrr periodt miss gurl

Step-by-step explanation:

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