(x-7)/12-(x-5)/9+1=0

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Solution for (x-7)/12-(x-5)/9+1=0 equation: 


x in (-oo:+oo)

(x-7)/12-((x-5)/9)+1 = 0

(x-7)/12+(-1*(x-5))/9+1 = 0

(9*(x-7))/(9*12)+(-1*12*(x-5))/(9*12)+(1*9*12)/(9*12) = 0

9*(x-7)-1*12*(x-5)+1*9*12 = 0

108-3*x-3 = 0

105-3*x = 0

(105-3*x)/(9*12) = 0

(105-3*x)/(9*12) = 0 // * 9*12

105-3*x = 0

105-3*x = 0 // - 105

-3*x = -105 // : -3

x = -105/(-3)

x = 35

x = 35

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