(x-2)/5+(x+2)/7=4

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Solution for (x-2)/5+(x+2)/7=4 equation: 


x in (-oo:+oo)

(x-2)/5+(x+2)/7 = 4 // - 4

(x-2)/5+(x+2)/7-4 = 0

(7*(x-2))/(5*7)+(5*(x+2))/(5*7)+(-4*5*7)/(5*7) = 0

7*(x-2)+5*(x+2)-4*5*7 = 0

12*x-140-4 = 0

12*x-144 = 0

(12*x-144)/(5*7) = 0

(12*x-144)/(5*7) = 0 // * 5*7

12*x-144 = 0

12*x-144 = 0 // + 144

12*x = 144 // : 12

x = 144/12

x = 12

x = 12

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