halimahussein777
halimahussein777 halimahussein777
  • 18-08-2021
  • Mathematics
contestada

even though the elimination method is easy I still have trouble with it

even though the elimination method is easy I still have trouble with it class=

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 18-08-2021

Answer:

(1,2)

Step-by-step explanation:

x+4y = 9

2x -4y= -6

Add the equations together

x+4y = 9

2x -4y= -6

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

3x +0y = 3

3x=3

Divide by 3

3x/3 = 3/3

x=1

Now find y

x+4y = 9

1 +4y =9

Subtract 1 from each side

4y = 8

Divide by 4

4y/4 = 8/4

y =2

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