jordankkayy jordankkayy
  • 27-02-2020
  • Mathematics
contestada

Solve.
y = 2x - 5
y = -2x - 9

Respuesta :

lanethebrain714
lanethebrain714 lanethebrain714
  • 27-02-2020

Answer:

(-1,-7)

Step-by-step explanation:

Substitute 2x-5 (from the first equation) as the y-value for the second equation, so you have something that looks like this:

2x-5 = -2x-9

Add 2x to both sides: 4x-5 = -9

Add 5 to both sides 4x = -4

Divide both sides by 4: x = -1

Substitute -1 for x in either equation (you'll get the same y-value)

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