i need help on a problem in pre-algebra

Algebra
Tutor: None Selected Time limit: 1 Day

1/6(12z-18)=2z-3

Oct 21st, 2015

Thank you for the opportunity to help you with your question!

1/6(12z-18)=2z-3

2z-3=2z-3

z=0

Please let me know if you need any clarification. I'm always happy to answer your questions.
Oct 21st, 2015

what happen with 1/6(12z-18)

Oct 21st, 2015

you open up the brackets by multiplying with the outside figure (1/6)

1/6x12z=2z

1/6x-18=-3

2z-3

Oct 21st, 2015

I DON'T UNDERSTAND AT ALL

Oct 21st, 2015

still don't get?

Oct 21st, 2015

say smething, i want you get it ,it's easy!

Oct 21st, 2015

i am also stuck on this problem.


2/5n+1/10=1/2(n+4)

Oct 21st, 2015

i got the last problem, thank you


Oct 21st, 2015

first open the brackets in 1/2(n+4)=1/2n+2

brings likes terms together

2/5n-1/2n=2-1/10

-1/10n=19/20

-2n=19

n=-9.5


Oct 21st, 2015

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