n-10=4n+20

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Solution for n-10=4n+20 equation: 


n in (-oo:+oo)

n-10 = 4*n+20 // - 4*n+20

n-(4*n)-20-10 = 0

n-4*n-20-10 = 0

-3*n-30 = 0 // + 30

-3*n = 30 // : -3

n = 30/(-3)

n = -10

n = -10

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