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

Can someone please explain how to do this problem: 7n-5=10n+13

- Pre- Algebra -
**MIKE**, Wednesday, February 15, 2012 at 7:16pm
subtract 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 7:18pm
Add 5 to both side

7n=10n+18

Then subtract 10n

-3n=18

Finally divide -3 on both sides

n=-6

## Answer This Question

## Related Questions

- Math - Will someone please explain to me how to simplify -10n - 6 + n - 5 And -6...
- pre algebra help - 9. how you would convert the repeating, non terminating ...
- Pre-Algebra - Can someone PLEASE explain to me what the formula is for finding ...
- Math - what are the answers to the following questions? 6n+16=26, n=? 8a-6=18 a...
- math - Simplify the Expressions 1) -4(3x-3) + 9(x+1)= -3x21 2) -9x(5x+4)+10(x+3...
- pre algebra 7th grade - Please explain this problem (r.r) (r.r)
- pre algebra - simplify 8(n-1)-10n
- pre algebra - simplify: (2k+7)(7k-1)\ can someone please help me solve this ...
- Algebra, explain? - So I have to solve this problem 9a=6(a+4) And then I wrote ...
- Pre-Algebra - what is the surface area of a square pyramid if the slant height ...

More Related Questions