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insens350 [35]
3 years ago
7

Solve 4x−5=7+4y for y.

Mathematics
2 answers:
drek231 [11]3 years ago
6 0

4x−5=7+4y

subtract 7 from both side

4x - 5 -7 = 4y

4x -12 = 4y

divide by 4

4x/4 -12/4 = 4y/4

x-3=y

garri49 [273]3 years ago
5 0

Answer:

y = x - 3

Step-by-step explanation:

Given equation,

4x - 5 = 7 + 4y

For finding the equation for y,

We need to isolate y in the left side of the equation,

Now,

Add 5 on the both sides of the above equation,

4x = 7 + 4y + 5

Subtract 4y on the both sides,

4x - 4y = 12

Subtract 4x on both sides,

-4y = 12 - 4x

Divide both sides by -4,

y=x-3

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