Question

B) -11 - -12 =
e) 18 - 8 =
h) 15- -21 =
k) -17 - -7 =

Answer 1

b) -11 - (-12) = 1

e) 18 - 8 = 10

h) 15- (-21) = 36

k) -17 - (-7) = -10

Answer 2

Good evening ,

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Explanation:

b) -11 - -12 = -11 + 12 = 12-11=1

e) 18 - 8 = (10+8)-8=10+8-8=10+(8-8)=10+0=10

h) 15- -21 = 15+21=36

k) -17 - -7 = -17+7 = (-10-7)+7=-10+ (-7+7)= -10 +0 =-10.

:)