Posted by **o.** on Tuesday, December 21, 2010 at 12:58am.

how do you go about finding y-intercept and the slope for the equation -2y+3y=-21

- math -
**drwls**, Tuesday, December 21, 2010 at 1:12am
One of the y's in your equation should probably be an x. Please verify your typing.

Rewrite your equation (after correcting it) into y = mx + b form.

m will be the slope and b will be the y-intercept, where the straight line crosses the y axis.

- math -
**miyako**, Tuesday, December 21, 2010 at 1:14am
-2y+3y = -21

y(-2+3)= -21

y(1)= -21

y = -21 + (-1)

y = -21 - 1

y = -22

- math -
**drwls**, Tuesday, December 21, 2010 at 1:19am
miyako's answer is incorrect. If both terms on the left contain a y, then y = -21. You would have a horizontal line with zero slope.

I still believe one of your x's should be a y

- math -
**jamal**, Tuesday, January 4, 2011 at 8:52pm
move the x1,y1,x2, and y2 sliders back and forth.which sliders affect the rise?

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