I will rewrite the question for you
Evaluate each expression if:
f= -6
g = 7
h=9
Evaluate:
a) g-7
b) -h-(-g)
c) f- g
Step-by-step explanation
a) g-7
= 7-7
= 0
g-7 = 0
b) -h-(-g)
= -9-(-7)
= -9+7
= -2
-h-(-g) = -2
c) f - g
= -6-7
-13
Hence f - g = -13