Is the number sentence true or false?

(-1)-(-6)=-1+6=5

Is 4--(23) positive or negative?

Is -4-(-43) positive or negative?

Is -6-12 positive or negative?

Is -7-(-23) positive or negative?

Is -4-3 positive or negative?

Is 28-(-12) positive or negative?

Is 7--(53) positive or negative?

Is -34-13 positive or negative?

Is the sentence true or false?

If we subtract 0 from any integer, the answer will be the integer itself.