2(20-x)/7-2=-5

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Solution for 2(20-x)/7-2=-5 equation: 


x in (-oo:+oo)

(2*(20-x))/7-2 = -5 // + 5

(2*(20-x))/7-2+5 = 0

(2*(20-x))/7+(-2*7)/7+(5*7)/7 = 0

2*(20-x)-2*7+5*7 = 0

26-2*x+35 = 0

61-2*x = 0

(61-2*x)/7 = 0

(61-2*x)/7 = 0 // * 7

61-2*x = 0

61-2*x = 0 // - 61

-2*x = -61 // : -2

x = -61/(-2)

x = 61/2

x = 61/2

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