-1+7n-6/7n=65/21

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Solution for -1+7n-6/7n=65/21 equation: 


n in (-oo:+oo)

7*n-((6/7)*n)-1 = 65/21 // - 65/21

7*n-((6/7)*n)-(65/21)-1 = 0

7*n+(-6/7)*n-65/21-1 = 0

43/7*n-86/21 = 0 // + 86/21

43/7*n = 86/21 // : 43/7

n = 86/21/43/7

n = 2/3

n = 2/3

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