Question

help me to know this answer please give me correct answer ​

Answer 1

Step-by-step explanation:

Here, As per given question,

=[42+(-37)]+(-81)=42+[(-37)+(-81)]

=(42-37)-81=42-(37+81) [Here, -81 is in bracket and so it is multiplied by minus, so it is +81 under the bracket)

=5-81=42-118

=(-76)=(-76)

=LHS=RHS (Proved)

Answer 2

Step-by-step explanation:

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