N/7=21-15

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Solution for N/7=21-15 equation: 


N in (-oo:+oo)

N/7 = 21-15 // - 21-15

N/7-21+15 = 0

1/7*N-6 = 0 // + 6

1/7*N = 6 // : 1/7

N = 6/1/7

N = 42

N = 42

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