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April 16, 2014

April 16, 2014

Posted by **katie** on Friday, October 1, 2010 at 10:39pm.

- 7th grade -
**Emily**, Friday, October 1, 2010 at 10:55pm5x-10-2x+7=0

3x-3=0

3x=3

x=1

- 7th grade -
**Jen**, Saturday, October 2, 2010 at 12:27am5x-10=2x-7

Add 10 to both sides.

5x=2x+3

Subtract 2x from both sides.

3x=3

Divide both sides by 3.

x=1

This way is the more common method although Emily did get the correct answer.

- 7th grade -
**Bridgett**, Saturday, October 2, 2010 at 9:58amI'm in 7th grade too but I studied this last year so:

5x-10=2x-7

-2x -2x

3x-10= -7

+10 +10 (because -10 and -7 are -)

3x = 3 Then divide out

x=1

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