Question

I want all questions answer in detail
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Answer 1

(ii)Let first no. be x and second no. be y

x+y=37

x-y=11

x+y=37 (Elimination method)

x-y=11

2x=48

x=24

y=37-24

y=13

(iii) x+y=54

x-y=20

x+y=54 (Elimination method)

x-y=20

2x=74

x=37

y=54-37

y=17