Question

Evaluate: (a) 18 – ( -7 ) + (-2 ) – ( -8 ) (b) ( -20 ) – ( -13 ) – ( +11 )​

Answer 1

Step-by-step explanation:

Ans - a) 31

b) - 18

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Answer 2

Step-by-step explanation:

a) 18 + 7 - 2 + 8

25 + 6

31

b) - 20 + 13 - 11

-7 -11

-18