(a+8)/5=(a-3)/9

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Solution for (a+8)/5=(a-3)/9 equation: 


a in (-oo:+oo)

(a+8)/5 = (a-3)/9 // - (a-3)/9

(a+8)/5-((a-3)/9) = 0

(a+8)/5+(-1*(a-3))/9 = 0

(9*(a+8))/(5*9)+(-1*5*(a-3))/(5*9) = 0

9*(a+8)-1*5*(a-3) = 0

4*a+87 = 0

(4*a+87)/(5*9) = 0

(4*a+87)/(5*9) = 0 // * 5*9

4*a+87 = 0

4*a+87 = 0 // - 87

4*a = -87 // : 4

a = -87/4

a = -87/4

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