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-7x+3=-9-7x
We move all terms to the left:
-7x+3-(-9-7x)=0
We add all the numbers together, and all the variables
-7x-(-7x-9)+3=0
We get rid of parentheses
-7x+7x+9+3=0
We add all the numbers together, and all the variables
12!=0
There is no solution for this equation
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