1/2(3n+6)=5n-12-n

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Solution for 1/2(3n+6)=5n-12-n equation: 


n in (-oo:+oo)

(1/2)*(3*n+6) = 5*n-n-12 // - 5*n-n-12

(1/2)*(3*n+6)-(5*n)+n+12 = 0

(1/2)*(3*n+6)-5*n+n+12 = 0

1/2*(3*n+6)-5*n+n+12 = 0

1/2*(3*n+6)-5*n+n+12 = 0

n-7/2*n+3+12 = 0

3-5/2*n+12 = 0

15-5/2*n = 0

15-5/2*n = 0

15-5/2*n = 0 // - 15

-5/2*n = -15 // : -5/2

n = -15/(-5/2)

n = 6

n = 6

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