3=2n-5n-9 - solution

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Solution for 3=2n-5n-9 equation:

n in (-oo:+oo)

3 = 2*n-(5*n)-9 // - 2*n-(5*n)-9

5*n-(2*n)+3+9 = 0

5*n-2*n+3+9 = 0

3*n+12 = 0 // - 12

3*n = -12 // : 3

n = -12/3

n = -4

n = -4

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