Question

evalute
a) 15-(-25)
b) 9+23-(-25) -40
c) -42-(-30 ) +(-50)
d) (-30+10) -(40-20)​

Answer 1

A) 15+25=40
B) 9+23+25-40=17
C) -42+30- 50 =-62
D) -20 - 20=. -40
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Answer 2

Answer:

a)40,b)17,c)-22,d)-40