write the linear equation -3x+9y=-27

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03-07-2018
Mathematics

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write the linear equation -3x+9y=-27

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Аноним Аноним · Answer 1 · 2018-07-03T21:00:41+02:00

Аноним Аноним

03-07-2018

Hello!

To write this in slope intercept form we have to solve for y.

Add 3x to both sides.

9y=-27+3x

Divide both sides by 9

y=-3+1/3

Rearrange into slope intercept form.

y=1/3x-3

I hope this helps!

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gmany gmany · Answer 2 · 2018-07-03T21:27:16+02:00

gmany gmany

03-07-2018

[tex]y=mx+b\\\\-3x+9y=-27\ \ \ |+3x\\\\9y=3x-27\ \ \ |:9\\\\y=\dfrac{3}{9}x-\dfrac{27}{9}\\\\y=\dfrac{1}{3}x-3[/tex]

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