7+2n=31

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Solution for 7+2n=31 equation: 


n in (-oo:+oo)

2*n+7 = 31 // - 31

2*n-31+7 = 0

2*n-24 = 0 // + 24

2*n = 24 // : 2

n = 24/2

n = 12

n = 12

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