Question

$please \: answer \: this \: question \: and \: please \: show \: me \: right \: answer$
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Answer 1

Step-by-step explanation:

(1).

let us take LHS

18×[7+(-3)]

18×(7-3). (+-=-)

18×4

72

now RHS

[18×7]+[18×(-3)]

(126)+(-54)

72

so LHS = RHS

hence proved

Answer 2

Answer is in attachment................

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