SOLUTION: How can I know how to solve an ecuation for y in slope intercept formula? for exemple if there is 2x+3y=-6 or y=-2-5x etc? what are the rules?

Algebra ->  Systems-of-equations -> SOLUTION: How can I know how to solve an ecuation for y in slope intercept formula? for exemple if there is 2x+3y=-6 or y=-2-5x etc? what are the rules?      Log On


   

Question 363445: How can I know how to solve an ecuation for y in slope intercept formula? for exemple if there is 2x+3y=-6 or y=-2-5x etc? what are the rules?
Answer by mananth(16949) About Me  (Show Source):
You can put this solution on YOUR website!
2x+3y=-6
..
add -2x
2x-2x+3y=-6-2x
3y=-2x-6
/3
y= -2/3*x-6/2
y=(-2/3)*x-3
compare with y = mx +b
(-2/3) is the slope m
y intercept =-3
the line intersects the y axis at -3
...
graph%28300%2C300%2C-5%2C5%2C-5%2C5%2C%28%28-2%2F3%29x-3%29%29
..
you will see the y intercept =-3
...
m.ananth@hotmail.ca