miriammoran
miriammoran miriammoran
  • 24-09-2021
  • Mathematics
contestada

5y - 4 = 9y + 8
If both equations are equal to each other, what is y?

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Jzavala536
Jzavala536 Jzavala536
  • 24-09-2021

Answer:

y = -3

5y - 4 = 9y + 8

5(-3) - 4 = 9(-3) + 8

-19 = -19

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charlief22
charlief22 charlief22
  • 24-09-2021

Answer:

y = -3

Step-by-step explanation:

Step 1 - Subtract 5y from both sides of the equation:

5y - 4 - 5y = 9y + 8 - 5y

-4 = 4y + 8

Step 2 - Subtract 8 from both sides of the equation:

-4 - 8 = 4y + 8 - 8

-12 = 4y

Step 3 - swap the equation:

4y = -12

Step 4 - divide both sides of the equation by 4:

[tex]\frac{4y}{4} = \frac{-12}{4}[/tex]

y = -3

Hope this helps!

Answer Link

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