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March 6, 2015

March 6, 2015

Posted by **amy** on Saturday, January 31, 2009 at 11:23pm.

4(2n+1)=3(6n+3)+1

8n+4=18n+9+1

8n-8n+4=18n-8n+10

4-10=10n+10-10

not sure what to do.

- Math 012 -
**Quidditch**, Sunday, February 1, 2009 at 12:05amYour are on the right track.

You want to get just the variable on one side of the equation. You have done that.

Your last step above:

4 - 10 = 10n + 10 - 10

The +10 and - 10 on the right cancel

4 - 10 = 10n

Subtract 10 from 4 on the left.

Then you something on the left = 10n.

Divide both sides by 10 to find n.

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