jenitaladybug10 jenitaladybug10
  • 12-11-2020
  • Mathematics
contestada

x + 4y = -8
5x - 4y = -16

Respuesta :

beyonce122a
beyonce122a beyonce122a
  • 12-11-2020

Answer: for the 2 one x=  4 /5y + -16/5

for the first one x=−4y−8

Are they 2 sperate questions?

If yes here

1. x + 4y = -8

4y=−8

Step 1: Add -4y to both sides.

x+4y+−4y=−8+−4y

x=−4y−8

Answer:

x=−4y−8

2. 5x - 4y = -16

5x−4y=−16

Step 1: Add 4y to both sides.

5x−4y+4y=−16+4y

5x=4y−16

Step 2: Divide both sides by 5.

5x =  4y- 16

 5            5

5 x/4  = 5y + -16

               5

x=  4 /5y + -16/5

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