Sign Sign 2

Please rewrite the following expression

so that the Sign Sign phenomenon is eliminated.

-9+(-4)



-9+(-4)
-9-4
Because
adding a negative
is equivalent to subtracting a positive.



-(-4)+(-3)



-(-4)+(-3)
4-3
The opposite of a negative is a positive.
Because
adding a negative



-9-(-8)+(-3)



-9-(-8)+(-3)
-9+8-3
Because
subtracting a negative
is equivalent to
adding a positive.
Because
adding a negative



-7(-1)-(-2)



-7(-1)-(-2)
-7(-1)+2
Because
is equivalent to
adding a positive.



4+(-5)



4+(-5)
4-5
Because
adding a negative



-8-10-(-2)



-8-10-(-2)
-8-10+2
Because
is equivalent to
adding a positive.



-(-9)+8



-(-9)+8
9+8
Because
the opposite of a negative
is equivalent to a positive.



-4+7+(-6)



-4+7+(-6)
-4+7-6
Because
adding a negative



5-(-9)



5-(-9)
5+9
Because
is equivalent to
adding a positive.



2+-9



2+-9
2-9
Because
adding a negative



-5--9



-5--9
-5+9
Because
is equivalent to
adding a positive.

by ThomasVizza on Jul 06, 2011