Which does not have the same value -3/-7 -3/7 3/-7 negative 3/7

The expression "negative 3/7" does not have the same value as the other three expressions.

To determine which of the given options does not have the same value as the others, let's simplify each expression:

1. -3/-7: By dividing -3 by -7, the negative signs cancel out, resulting in a positive fraction: 3/7.
2. -3/7: This fraction cannot be simplified any further.
3. 3/-7: When dividing 3 by -7, the negative signs cancel out, resulting in a negative fraction: -3/7.
4. Negative 3/7: This fraction is equivalent to -3/7.

From the above simplifications, we can see that the expression "3/-7" does not have the same value as the other options.