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December 20, 2014

December 20, 2014

Posted by **Allyson** on Monday, November 29, 2010 at 4:42pm.

1) x+y=-10

-5+5=10

-5(2)+10

2) 5x+10y=15

5x(3)=15

5x+10=15

3)-x+2y=9

y=3(3)=9

3+6=9

Heres what I need YOU tutors to help me with:

Could you tell me if my answers are correct, if not explain why?

Thank you.

- algebra uno help + check? -
**bobpursley**, Monday, November 29, 2010 at 4:46pmI think you are totally wrong.

Take the last one.

-x+2y=9

here are some equivalent equations:

2y-9=x

x+9=2y

14y=63+7x

Equivalent equations are equations that have the same solution.

- algebra uno help + check? -
**Allyson**, Monday, November 29, 2010 at 5:09pmOkay, thank you.

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