2/3n-6/7n=-3

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Solution for 2/3n-6/7n=-3 equation: 


n in (-oo:+oo)

(2/3)*n-((6/7)*n) = -3 // + 3

(2/3)*n-((6/7)*n)+3 = 0

(2/3)*n+(-6/7)*n+3 = 0

3-4/21*n = 0 // - 3

-4/21*n = -3 // : -4/21

n = -3/(-4/21)

n = 63/4

n = 63/4

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