JayBear16
JayBear16 JayBear16
  • 09-10-2019
  • Mathematics
contestada

PLEASE HELP WITH THESE 4 PROBLEMS


EMERGENCY



5x+2y= 10 and 2y-4x= -2 and 7y+4y= 24 and -2x+1/2y= 2

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 09-10-2019

Answer:

  • y = -5/2x + 5
  • y = 2x -1
  • y = 24/11
  • y = 4x + 4

Step-by-step explanation:

To solve for y, subtract the x-term and divide by the coefficient of y.

5x +2y = 10

  2y = -5x +10

  y = -5/2x + 5

__

2y -4x = -2

  2y = 4x -2

  y = 2x -1

__

7y +4y = 24

  y = 24/11

We assume there is a typo, but cannot tell what it is. Use the same method as described and demonstrated for the other problems.

__

-2x +1/2y = 2

  1/2y = 2x +2

  y = 4x +4

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