Question

If x=9, what is the value of your in the equation below? y=8x-(1+4x)

Answer 1

Plug 9 in. This is what the equation would look like.
Y=8(9)-(1+4(9))
Y=72-(5(9))
Y=72-45
Y=27

Answer 2

Y=72-(1+36)
Y=72-37
Y=35