Answer
See below.
Work Step by Step
We know that if the slope of a line is $m$ and it contains $P_1(x_1,y_1)$, then its equation is: $y-y_1=m(x-x_1).$ The point it contains is $(2,0)$ because of the x-intercept.
Hence here: $y-0=5(x-2)\\y=5x-10.$