0
Put in function form.
5X - 2Y = 20
- 2Y = - 5X + 20
Y = 5/2X - 10
-------------------------zero out the Y
5/2X - 10 = 0
5/2X = 10
X = 20/5
X = 4
---------------or, just zero out the Y in original equation
5X - 2(0) = 20
5X = 20
X = 4
-----------either way if only X intercept is wanted.
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