SOLUTION: Please help me find the solutions and how to solve this problemm for my Pre AP Pre-Calculus review! 4|2y-7|+10=9 I've tried to subtract the 10 first and I've also tried to di

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Question 474165: Please help me find the solutions and how to solve this problemm for my Pre AP Pre-Calculus review!
4|2y-7|+10=9
I've tried to subtract the 10 first and I've also tried to divide the 4 too, I've wasted so much paper on this problem!
Thank you!
Found 2 solutions by Alan3354, solver91311:
Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website!
4|2y-7|+10=9
--------------
4|2y-7| = -1
|2y-7| = -1/4
The abs value cannot be negative.
--> no solution

Answer by solver91311(24713) (Show Source):
You can put this solution on YOUR website!

Add -10 to both sides:

Multiply both sides by

But we know that

Hence

such that

Therefore your solution set is the null set.

John

My calculator said it, I believe it, that settles it