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Answer:
n= brother 1
n+1= brother 2
n+2= brother 3
Equation: n + n +1+n+2=54
solve: 3n + 3 = 54
3n = 54 -3
3n = 51 n =51/3
n = 17
Interpret: brother 1 is 17 years
Brother 2 is 18 hears
Brother 3 is 19 years
Validate: 17 + 18 + 19 = 54
Explanation:
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