Question

+
a) (-5) + ((+3) - (+9)] + (+5) =
» [(-3) - (+6) +(+2)]-(+5) -
(-5)+(+7) - [(-6) + (+13)
d) (-11) + {[(-1)-(+10)] +(-3)} =
+​

Answer 1

A= (-6)

B= (-12)

C = (-5)

A ) (-5) + [ (+3) - ( +9)] + (+5)

- 5 + [ + 3 - 9 ] + 5

- 5 + [ - 6 ] + 5

- 5 - 6 + 5

- 11 + 5

- 6,,

B ) [(-3)- ( +6) + ( +2)] - ( +5 )

[ - 3 - 6 + 2 ] - 5

[ - 9 + 2 ] - 5

-7 - 5

- 12,,

C ) (-5) + (+7)- [(-6)+ (+13)]

- 5 + 7 - [ - 6 + 13 ]

+ 2 - [ 7 ]

+ 2 - 7

- 5,,