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The x intercept is where y = 0, on the x-axis. So plug in y=0 to you equation:

-5(x) + 20(0) = 20 ... -5(x) = 20...

Divide each side by -5: x = 20/-5 = -20/5 = = -4.

Therefore the x intercept is where y = 0 and x = -4 --> (-4, 0)

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Q: Find the x-intercept of the graph of -5x plus 20y equals 20?
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