Duhitzamanda128 Duhitzamanda128

18-01-2019
Mathematics

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solve using the elimination method.
show your work
2x - y = 6
x + y = 6

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

18-01-2019

Answer:

x=4, y=2

Step-by-step explanation:

2x - y = 6

x + y = 6

Add these together to eliminate y

2x - y = 6

x + y = 6

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

3x = 12

Divide by 3

3x/3 = 12/3

x=4

But we still need y

x+y =6

4+y =6

Subtract 4 from each side

4+y-4 = 6-4

y=2

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