For the question:
Solve for x: abs(x-1) + 3*abs(x+1) ≤ 2
I've tried to obtain the answer using algebra several times but can't seem to. (The answer is x = -1). Could someone please show me how to do this question?
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You can consider different cases to solve this
Only case 1 gives solution, i.e.
Hope this helps!
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