-x=3=x+3

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Solution for -x=3=x+3 equation:



-x=3=x+3
We move all terms to the left:
-x-(3)=0
We add all the numbers together, and all the variables
-1x-3=0
We move all terms containing x to the left, all other terms to the right
-x=3
x=3/-1
x=-3

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