((n-5)/6)+((n+3)/7)=(11/21)

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Solution for ((n-5)/6)+((n+3)/7)=(11/21) equation: 


n in (-oo:+oo)

(n-5)/6+(n+3)/7 = 11/21 // - 11/21

(n-5)/6+(n+3)/7-(11/21) = 0

(n-5)/6+(n+3)/7-11/21 = 0

(7*21*(n-5))/(6*7*21)+(6*21*(n+3))/(6*7*21)+(-11*6*7)/(6*7*21) = 0

7*21*(n-5)+6*21*(n+3)-11*6*7 = 0

273*n-462-357 = 0

273*n-819 = 0

(273*n-819)/(6*7*21) = 0

(273*n-819)/(6*7*21) = 0 // * 6*7*21

273*n-819 = 0

273*n-819 = 0 // + 819

273*n = 819 // : 273

n = 819/273

n = 3

n = 3

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