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September 23, 2014

September 23, 2014

Posted by **cupnnas2002** on Friday, October 14, 2011 at 11:03pm.

4y+5x= -7

I came up with this is, is it right?

y=-5x/4+4

- algebra -
**sammie**, Friday, October 14, 2011 at 11:10pmx+15=85

- algebra -
**robby**, Friday, October 14, 2011 at 11:17pmx + 15 = 85

- 15 -15 (subtract 15 from both sides of equation to get x alone and keep equation equal.)

x=70

- algebra -
**robby**, Friday, October 14, 2011 at 11:25pm4y + 5x = -7

divide everything by 4 to get y alone

4y/4 + 5x/4 = -7/4

y + 5x/4 = -7/4

subtract 5x/4 from both sides of equation

y +5x/4 = -7/4

-5x/4 -5x-4

________________

y = -5x -7 / 4

-5x - 7

___________

4

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