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Absolute value question(help!!)?
e) 16x- 3|2x-1| = |10x-5|
Here is how I solved it.
::: 16x -3|2x-1| =5|2x-1|
= 16x/8 = 8/8 |2x-1
2x = |2x-1|
x > 1/2
2x = |2x-1|
2x=2x-1
2x-2x=-1
x= -1 . doesnt work.
Case 2:
x< -1
2x = -2x+1
4x/4 = 1/4
x= 1/4. 1/4 is less than -1 so is satisfactory.
The answer booklet says so as wel but solves it completely differently and gets -8 for the first answer, Did i solve it right or did i solve it wrong? The final x is correct but ... Im confused. anyone?
