1=-7n+4n+7

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Solution for 1=-7n+4n+7 equation: 


n in (-oo:+oo)

1 = 4*n-7*n+7 // - 4*n-7*n+7

1-(-7*n)-(4*n)-7 = 0

7*n-4*n-7+1 = 0

3*n-6 = 0 // + 6

3*n = 6 // : 3

n = 6/3

n = 2

n = 2

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