(2m-7)/4=(3m)/9

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Solution for (2m-7)/4=(3m)/9 equation: 


m in (-oo:+oo)

(2*m-7)/4 = (3*m)/9 // - (3*m)/9

(2*m-7)/4-((3*m)/9) = 0

(2*m-7)/4+(-1/3)*m = 0

(2*m-7)/4-m/3 = 0

(3*(2*m-7))/(3*4)+(4*(-m))/(3*4) = 0

3*(2*m-7)+4*(-m) = 0

2*m-21 = 0

(2*m-21)/(3*4) = 0

(2*m-21)/(3*4) = 0 // * 3*4

2*m-21 = 0

2*m-21 = 0 // + 21

2*m = 21 // : 2

m = 21/2

m = 21/2

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