Answer
(a)-8;8
(b)2;-2
(c)-7;7
When you attempt to use the commutative property for a subtraction problem, the sign of the two results are opposite. The commutative property does not apply to subtraction.
Work Step by Step
(a)
$-3-5=-3+(-5)=-8$
$5-(-3)=5+3=8$
(b)
$-4-(-6)=-4+6=2$
$-6-(-4)=-6+4=-2$
(c)
$3-10=-7$
$10-3=7$
