Question

How do you solve `x/5=y+4` for y?

Answer 1

`color(blue)(y = (x - 20 ) / 5`

Explanation:

`x / 5 = y + 4`

`x / 5 = color(blue)(y) + 4`

`x / 5 - 4 = color(blue)(y)`

`color(blue)(y) = x / 5 - 4`

`color(blue)(y) = x / 5 - 20 / 5`

`color(blue)(y = (x - 20 ) / 5`