7=3n+n+7

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Solution for 7=3n+n+7 equation: 


n in (-oo:+oo)

7 = 3*n+n+7 // - 3*n+n+7

7-(3*n)-n-7 = 0

7-3*n-n-7 = 0

-4*n = 0 // : -4

n = 0

n = 0

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