SOLUTION: given 3x+7=x-5 prove x=-6

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Question 993733: given 3x+7=x-5
prove x=-6
Answer by addingup(3677) About Me  (Show Source):
You can put this solution on YOUR website!
3x+7=x-5
3(-6)+7= -6-5
-18+7= -11
-11= -11 We've proved it.