c) -2+(-4)=-6
d) -8+5=-3
e) -7+(-8)=-15
f) 6+2=8
g)2+2=4
h)50+(-20)=-30
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c) -2+(-4)=-6
d) -8+5=-3
e) -7+(-8)=-15
f) 6+2=8
g)2+2=4
h)50+(-20)=-30