Posted by **Carole** on Sunday, January 9, 2011 at 12:55pm.

Z+5/7=3 home work problem that was not taught in class?

- 7th Grade -
**Jen**, Sunday, January 9, 2011 at 12:59pm
Z+5/7=3

z=3-5/7

z=?

- 7th Grade -
**chemistry**, Sunday, January 9, 2011 at 2:57pm
7z + 5 = 21

7z=21-5

7z=16

z=16/7

- 7th Grade -
**paige**, Sunday, January 9, 2011 at 6:55pm
z + 5/7 = 3

z = 3 - 5/7

z= 2&2/7

- 7th Grade -
**helper**, Wednesday, January 12, 2011 at 12:35pm
Assuming that you are solving for z...

Z+5/7=3

subtract the 5/7 over to get the "Z" by itself. This would leave you with...

Z=3-5/7

Now you need a common denominator so you can legally subtract the 3 and 5/7. Your common denomenator would be a 7 because the 3 has no denominator and the 7 is already there...So give the 3 a 7/7 to get 21/7 it would be useless to go higher than a 7...don't do more than you have to.

Z=21/7-5/7

Now all you have to do is subtract.

Z=16/7

See if you can reduce...which you can't, then circle your answer and there it is! Hope this helps...oh and don't forget to keep things in order...you are subtracting...and can't mess the order up.

## Answer This Question

## Related Questions

- 7th Grade Math Help - It takes Pam 45 minutes to drive to work and 60 minutes to...
- 7th grade science - a textbook has 2,000 g mass/ 4,000 cm to the 3rd pwr what is...
- statistics - this is a problem in my statistics class, and I am lost to me, it ...
- 7th grade math - My friend is in the 7th grade and broke his wrist so he cannot ...
- 10th grade - how can i make an easy working model in physics for class 10 ...
- Math - A fertilizer covers 5/8 square foot in 1/4 hour. i don't understand how ...
- 7th grade math - i was trying to work out the problem (1.00-x)50/15x. (x=.40g ...
- Math - At Jefferson School, both 6th grade & 7th grade classes take a math test...
- English - Homework Help: English Posted by rfvv on Monday, March 7, 2016 at 2:...
- 7th grade - list 10 carees in home economics

More Related Questions