7+2n-3n=12

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Solution for 7+2n-3n=12 equation: 


n in (-oo:+oo)

2*n-(3*n)+7 = 12 // - 12

2*n-(3*n)-12+7 = 0

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

-n-5 = 0 // + 5

-n = 5 // * -1

n = -5

n = -5

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