n-8+4n=12 - solution

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Solution for n-8+4n=12 equation:

n in (-oo:+oo)

n+4*n-8 = 12 // - 12

n+4*n-12-8 = 0

5*n-20 = 0 // + 20

5*n = 20 // : 5

n = 20/5

n = 4

n = 4

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