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IrinaK [193]
3 years ago
15

What is the value of y?

Mathematics
1 answer:
scoundrel [369]3 years ago
7 0

Answer:

- 1

Step-by-step explanation:

( x, y ) = ( 2, y )

x = 2

2x - 8y = - 4

Divide 2 on both sides,

( 2x / 2 ) - ( 8y / 2 ) = - 4 / 2

x - 4y = - 2

Substitute x = 2,

2 - 4y = - 2

- 4y = - 2 - 2

- 4y = - 4

y = - 4 / - 4

y = - 1

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