7m+3+2m=21

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Solution for 7m+3+2m=21 equation: 


m in (-oo:+oo)

7*m+2*m+3 = 21 // - 21

7*m+2*m-21+3 = 0

9*m-18 = 0 // + 18

9*m = 18 // : 9

m = 18/9

m = 2

m = 2

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