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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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13y ago

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