9+3m+4m=30 - solution

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Solution for 9+3m+4m=30 equation:

m in (-oo:+oo)

3*m+4*m+9 = 30 // - 30

3*m+4*m-30+9 = 0

7*m-21 = 0 // + 21

7*m = 21 // : 7

m = 21/7

m = 3

m = 3

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