How to find the midpoint given the linear equation

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Given the linear equation: $$y = 7247.5188 -2395.0376x$$ how do I find the midpoint of this line?

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If you have line $\ell\equiv y=a-bx$ with $a,b>0$ then the midpoint of the segment in the first quadrant can be found as follows:

  1. the absis of the midpoint is $\frac b{2a}$ (the average between $0$ and the intersection $\ell$ with $X$-axe.

  2. the ordinat of the midpoint is $\frac a2$ (the average between $0$ and the intersection $\ell$ with $Y$-axe.