Posted by **someone** on Wednesday, September 21, 2011 at 9:08pm.

what is y+19=9 plz help me i dont understand this im in 7th grade >.>

- Math -
**Ms. Sue**, Wednesday, September 21, 2011 at 9:17pm
y+19=9

It means that an unknown number added to 19 is equal to 9.

y + 19 = 9

First we need to subtract 19 from both sides of the equation.

y + 19 - 19 = 9 - 19

y = -10

The proof: 19 - 10 = 9

- Math -
**Kayla**, Wednesday, September 21, 2011 at 9:23pm
y+19=9

- Math -
**Ms. Sue**, Wednesday, September 21, 2011 at 9:32pm
Kayla -- what don't you understand about my explanation?

- Math -
**Abdul**, Saturday, September 24, 2011 at 10:29pm
y+19=9

That means some number added to 19 equals 9.

So we subtract 19 from 9 which gives us -10.

- Math -
**caleb**, Thursday, September 29, 2011 at 8:02am
is 0.9 greater than 0.789

- Math -
**Erica**, Wednesday, October 5, 2011 at 10:31pm
^^^kids

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