Question

Given the equation 5x + 20 = 4y, there is one value for which x is equal to y. What value is it?

could y’all give the explanation to the answer i’m mad confused lol

Answer 1

Answer:
`\Large\boxed{-20}`

Explanation:

Given information

5x + 20 = 4y

One value for which x is equal to y

Given the system of equations

`1)~5x+20=4y`

`2)~x=y`

Substitute the 2) equation into the x value of the 1) equation

`5(y)+20=4y`

Subtract 20 on both sides

`5y+20-20=4y-20`

`5y=4y-20`

Subtract 4y on both sides

`5y-4y=4y-20-4y`

`\Large\boxed{y=-20}`

Since the value for x is equal to y,
`\Large\boxed{x=-20}`

Hope this helps!! :)

Please let me know if you have any questions