Respuesta :

Answer: y = - 6.25

Explanation:

The given formula is

4x - 4y = 9

4y = 4x - 9

Dividing both sides by 4,

y = 4x/4 - 9/4

y = x - 2.25

We would substitute x = - 4 into the equation. It becomes

y = - 4 - 2.25

y = - 6.25

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