Prealgebra ex

Find an unknown number/mixed number N in the given equation:

N + 3 1/2 = 6 3/4

Correct answer:

N =  3 14 = 13/4

Step-by-step explanation:

N + 321 = 643 N + 342 = 643 N = 643  342 N = 3432 N = 341  N=413=3.25

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