3+6m=21

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Solution for 3+6m=21 equation: 


m in (-oo:+oo)

6*m+3 = 21 // - 21

6*m-21+3 = 0

6*m-18 = 0 // + 18

6*m = 18 // : 6

m = 18/6

m = 3

m = 3

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