n+7+2n=25

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Solution for n+7+2n=25 equation: 


n in (-oo:+oo)

n+2*n+7 = 25 // - 25

n+2*n-25+7 = 0

3*n-18 = 0 // + 18

3*n = 18 // : 3

n = 18/3

n = 6

n = 6

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