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Genesis Mathews
Mathematics
20 July, 18:20
Slope intercept form of 2x-5y=9
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Morgan
20 July, 18:34
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y = 0.4x - 1.8
Step-by-step explanation:
To figure out this equation, first, you take the 2x and put it on the other side of the equation like so
2x-5y=9
-2x. - 2x
-5y = - 2x + 9
Then you divide - 2x and 9 by 5 to get the y by itself.
-5y / 5 = - 2x / 5 + 9/5
-y = - 0.4x + 1.8
Now your left with a negative y which you can't have, so you times everything by negative one, which will fix it.
-y x - 1 = - 0.4x x - 1 + 1.8 x - 1
Now your left with the correct equation, which is
y = 0.4x - 1.8
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