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Yes.

This is because if you distribute the negative symbol into the first equation (x - 3), the x will become negative just as it is in the second equation and the 3 will become positive.

This is because a negative times a negative always results in a positive.

Hope this helps!

First of all these are not equations ( there are no '=' signs in them).

If we simplify we see that they are equivalent.

-(x - 3) =  = -1(x - 3) = -x + 3

(-x + 3) = -x + 3

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