• (-21)-(-10)_____(-31)+(-11)
• Fill in the blanks-
• (also solve it)

A negative sign multiplied by a negative sign gives a positive sign while a positive sign multiplied by a negative sign gives a negative sign 

(-21)-(-10)_____(-31)+(-11)

there fore this becomes

-21+10 ............  -31-11

-11  >  -42

-11 -31 = -4