2n+7=3n+9

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Solution for 2n+7=3n+9 equation: 


n in (-oo:+oo)

2*n+7 = 3*n+9 // - 3*n+9

2*n-(3*n)-9+7 = 0

2*n-3*n-9+7 = 0

-n-2 = 0 // + 2

-n = 2 // * -1

n = -2

n = -2

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