(3x+9)/2=9
if somebody could just tell me how to do it it would help a lot.
The Purplemath Forums
Helping students gain understanding and self-confidence in algebra.
please help with this problem 
3 posts
• Page 1 of 1
please help with this problem
by mirchole on Sun Jul 07, 2013 4:09 am
- mirchole
- Posts: 1
- Joined: Sun Jul 07, 2013 4:05 am
Re: please help with this problem 
by 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
by 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.
-
maggiemagnet - Posts: 295
- Joined: Mon Dec 08, 2008 12:32 am
3 posts
• Page 1 of 1