Calculate the slope of the line 4x+5y=20

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asked Sep 4, 2019 11.0k views

1 Answer

Sxingfeng · Answer 1 · 2019-09-08T23:54:17+0000

4x+5y =20
subtract 4x from both sides:

5y = 20 - 4x
divide both sides by 5

y = 4 - 4x/5

rewrite in slope intercept form:

y = -4/5x +4

the slope is -4/5

Calculate the slope of the line 4x+5y=20

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