10415678 10415678
  • 20-05-2021
  • Mathematics
contestada

How many solutions does the following linear equation have?
y = -2x -4
y = 1/2x - 5

Respuesta :

Yang100
Yang100 Yang100
  • 21-05-2021

Answer:

x=2/5, y=-24/5. (2/5, -24/5).

Step-by-step explanation:

y=-2x-4

y=1/2x-5

----------------

-2x-4=1/2x-5

-2x-1/2x-4=-5

-4/2x-1/2x=-5+4

-5/2x=-1

5/2x=1

x=1/(5/2)

x=2/5

y=1/2(2/5)-5

y=1/5-5

y=1/5-25/5

y=-24/5

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