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Find y when x is -4 in the formula 4x - 4y = 9y =
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Find y when x is -4 in the formula 4x - 4y = 9y =

Find y when x is -4 in the formula 4x - 4y = 9y =-example-1
User Ben Kovitz
by
3.9k points

1 Answer

3 votes

Answer: y = - 6.25

Step-by-step 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

User Dehamzah
by
5.3k points
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