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Posted by **Heaven** on Wednesday, February 15, 2012 at 6:50pm.

- Pre- Algebra -
**MIKE**, Wednesday, February 15, 2012 at 7:16pmsubtract 7n to the other side

AND subtract 13 to the other side

and also divide 3 to the other side,so

7n-5=10n+13

-5=10n-7n +13

-5-13=10n-7n

-18=3n

n=-6

- Pre- Algebra -
**Lisa**, Wednesday, February 15, 2012 at 7:18pmAdd 5 to both side

7n=10n+18

Then subtract 10n

-3n=18

Finally divide -3 on both sides

n=-6

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