please help with this problem  TOPIC_SOLVED

Simplificatation, evaluation, linear equations, linear graphs, linear inequalities, basic word problems, etc.

please help with this problem

Postby mirchole on Sun Jul 07, 2013 4:09 am

(3x+9)/2=9
if somebody could just tell me how to do it it would help a lot.
mirchole
 
Posts: 1
Joined: Sun Jul 07, 2013 4:05 am

Sponsor

Sponsor
 

Re: please help with this problem  TOPIC_SOLVED

Postby jg.allinsymbols on Sun Jul 07, 2013 10:51 am

mirchole wrote:(3x+9)/2=9
if somebody could just tell me how to do it it would help a lot.


In this order:

Multiplicative inverse of (1/2);
Additive inverse of 9;
Multiplicative inverse of 3.
DONE. Simplify if necessary.
jg.allinsymbols
 
Posts: 71
Joined: Sat Dec 29, 2012 2:42 am

Re: please help with this problem

Postby maggiemagnet on Sun Jul 07, 2013 1:05 pm

mirchole wrote:(3x+9)/2=9
if somebody could just tell me how to do it it would help a lot.

They have a lesson teaching "how to do it" right here! The page at the link explains why the steps in the first reply are the way to go for this solving problem.
:clap:
User avatar
maggiemagnet
 
Posts: 301
Joined: Mon Dec 08, 2008 12:32 am


Return to Beginning Algebra