3m-6=21

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Solution for 3m-6=21 equation: 


m in (-oo:+oo)

3*m-6 = 21 // - 21

3*m-21-6 = 0

3*m-27 = 0 // + 27

3*m = 27 // : 3

m = 27/3

m = 9

m = 9

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