anonymous
  • anonymous
How would I change the equation into slope-intercept form? -3x + 2y = 8
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
solve for y
anonymous
  • anonymous
-3x+2y=8 2y=3x+8 y=(3/2)x+4
anonymous
  • anonymous
Okay, but how did you do that? Can you show me?

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anonymous
  • anonymous
and the (3/2) that wouldn't be negative?
phi
  • phi
you start with -3x + 2y = 8 you want slope-intercept form ( you should remember this means y = mx + b) looking at y = mx +b as the pattern, the first thing you notice is y is by itself on the left side. A good step is to add +3x to both sides (because you know -3x + 3x =0 will make the -3x "go away" on the left side) -3x + 3x + 2y = +3x +8
phi
  • phi
-3x + 3x + 2y = +3x +8 on the left side you have 3 x's take away 3 x's. That leaves 0 x's this simplifies to 2y = 3x + 8 now divide both sides by 2 y = (3x + 8)/2 or y = (3/2)x + 4
anonymous
  • anonymous
this is how its done. -3x+2y=8 2y=3x+8 y=(3/2)x+4. u start with ur equation, then u bring the 3x to the other side and then u get rid of the "2" in the y
anonymous
  • anonymous
so I add 3x to 2y and 3x?
anonymous
  • anonymous
you add 3x to both sides of the equation yes
anonymous
  • anonymous
Okay, Thank You (:

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