Answer :

You simply need to make y equal to 0.
4x-5(0)=40
4x=40
x=10
X-Intercept is then (10,0)
harlow
4x-5y=40

Plug in 0 for y.

Now we have 4x=40

divide both sides  by 4

Now we have x=10

So our, x intercept is (10,0) because when we put 0 in for y, we get 10 for x