quamqween quamqween

11-11-2019
Mathematics

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solve using elimination

solve using elimination class=

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Respuesta :

jainayahesthema jainayahesthema

12-11-2019

Answer:

cant see the picture

Step-by-step explanation:

Answer Link

skincial313 skincial313

30-12-2019

Answer:

(-2,-9)

Step-by-step explanation:

1. subtract the 2 equations

8x-8x--->cancels out

-4y-(-2y) = -2y

20-2=18

solve for y. y= -9

2. plug in -9 for y for one of the equations

8x-2(-9)=2

8x+18=2

8x= -16

x= -2

Check:

8(-2) - 4(-9)=20

-16+36=20

20=20

Answer Link

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