(a+7)/9+1=(2a+1)/6

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Solution for (a+7)/9+1=(2a+1)/6 equation: 


a in (-oo:+oo)

(a+7)/9+1 = (2*a+1)/6 // - (2*a+1)/6

(a+7)/9-((2*a+1)/6)+1 = 0

(a+7)/9+(-1*(2*a+1))/6+1 = 0

(6*(a+7))/(6*9)+(-1*9*(2*a+1))/(6*9)+(1*6*9)/(6*9) = 0

6*(a+7)-1*9*(2*a+1)+1*6*9 = 0

33-12*a+54 = 0

87-12*a = 0

(87-12*a)/(6*9) = 0

(87-12*a)/(6*9) = 0 // * 6*9

87-12*a = 0

87-12*a = 0 // - 87

-12*a = -87 // : -12

a = -87/(-12)

a = 29/4

a = 29/4

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