4n+7=2n+25

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Solution for 4n+7=2n+25 equation: 


n in (-oo:+oo)

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

4*n-(2*n)-25+7 = 0

4*n-2*n-25+7 = 0

2*n-18 = 0 // + 18

2*n = 18 // : 2

n = 18/2

n = 9

n = 9

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