18*[9+(-7)=18*9+18*(-7)
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Step-by-step explanation:
18*[9+(-7)]=18*9+18(-7)
LHS
18*[9+(-7)]
=18*[9-7]
=18*2
=36
RHS
18*9+18*(-7)
=162+(-126)
=162-126
=36
Therefore, LHS=RHS
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