simplify the expression
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-(x-3)=-x+3
First, distribute -1 to x and -3.
-x+3=-x+3
As you can see, both sides are equal. You can continue to simplify:
Add x to both sides to get rid of the variable.
3=3 or infinitely many solutions because x can equal any number and still be equal to the other side.
I hope this helps :)