-42=-7n+n+6

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Solution for -42=-7n+n+6 equation: 


n in (-oo:+oo)

-42 = n-7*n+6 // - n-7*n+6

-(-7*n)-n-42-6 = 0

7*n-n-42-6 = 0

6*n-48 = 0 // + 48

6*n = 48 // : 6

n = 48/6

n = 8

n = 8

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