40=7n-n+4

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Solution for 40=7n-n+4 equation: 


n in (-oo:+oo)

40 = 7*n-n+4 // - 7*n-n+4

n-(7*n)-4+40 = 0

n-7*n-4+40 = 0

36-6*n = 0 // - 36

-6*n = -36 // : -6

n = -36/(-6)

n = 6

n = 6

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