(x-7)/4+(x+8)/5=(5/4)

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Solution for (x-7)/4+(x+8)/5=(5/4) equation: 


x in (-oo:+oo)

(x-7)/4+(x+8)/5 = 5/4 // - 5/4

(x-7)/4+(x+8)/5-(5/4) = 0

(x-7)/4+(x+8)/5-5/4 = 0

(5*(x-7))/(4*5)+(4*(x+8))/(4*5)+(-5*5)/(4*5) = 0

5*(x-7)+4*(x+8)-5*5 = 0

9*x-25-3 = 0

9*x-28 = 0

(9*x-28)/(4*5) = 0

(9*x-28)/(4*5) = 0 // * 4*5

9*x-28 = 0

9*x-28 = 0 // + 28

9*x = 28 // : 9

x = 28/9

x = 28/9

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