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Verified Answer :

Sorbji

Let n = the unknown number

n + (n+2) + (n+4) = 78

Simplify this by combining like terms

n + n + 2 + n + 4 = 78

3n + 6 = 78
     -6     -6
---------------
3n = 72
---     ----
3        3

n= 24

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