SOLUTION: I'm trying to help my son(H.S. Junior)understand Algebra 3/4. However I am not qualified to do that. Please answer this question and show me steps. Thank you The absolute value o

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Question 486152: I'm trying to help my son(H.S. Junior)understand Algebra 3/4. However I am not qualified to do that. Please answer this question and show me steps.
Thank you
The absolute value of 15+X=-2X+3
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
3x=3-15
3x=-12
x=-4
since absolute has no sign, the answer is x=|4|