-42=-7/3n

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Solution for -42=-7/3n equation: 


n in (-oo:+oo)

-42 = (-7/3)*n // - (-7/3)*n

-((-7/3)*n)-42 = 0

(7/3)*n-42 = 0

7/3*n-42 = 0 // + 42

7/3*n = 42 // : 7/3

n = 42/7/3

n = 18

n = 18

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