-7n=-42

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Solution for -7n=-42 equation: 


n in (-oo:+oo)

-7*n = -42 // + 42

42-7*n = 0

42-7*n = 0 // - 42

-7*n = -42 // : -7

n = -42/(-7)

n = 6

n = 6

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