|x-1| + |2x| + |3x+1| = 6. Help me to solve this equation please?
1 Answer
Sep 5, 2017
Explanation:
Because this is contains absolute values we have to account for the possibility of the values in the absolute bars being both negative and positive.
removing absolute bars gives:
Collecting terms and simplifying gives:
Now we have to solve it for negative values in the absolute bars. This can be seen as
Removing absolute bars:
collecting and simplifying:
Hope this helps.