-n+1=-7n+7

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Solution for -n+1=-7n+7 equation: 


n in (-oo:+oo)

1-n = 7-7*n // - 7-7*n

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

7*n-n-7+1 = 0

6*n-6 = 0 // + 6

6*n = 6 // : 6

n = 6/6

n = 1

n = 1

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