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1x+1=x+1, 1x+-1=x+1, -1+-1=x+1, -1x+1=x+1. which one has exactly one solution
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1x+1=x+1, 1x+-1=x+1, -1+-1=x+1, -1x+1=x+1. which one has exactly one solution

User Gaunt
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1 Answer

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1x+1=x+1 = True

1x+-1=x+1 = False

-1+-1=x+1 x= -3

-1x+1=x+1 = x = 0



User Andre Cytryn
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