9/10(x+1)-9/20x

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Solution for 9/10(x+1)-9/20x equation: 


x in (-oo:+oo)

(9/10)*(x+1)-((9/20)*x) = 0

(9/10)*(x+1)+(-9/20)*x = 0

9/10*(x+1)+(-9*x)/20 = 0

(9/10*20*(x+1))/20+(-9*x)/20 = 0

9/10*20*(x+1)-9*x = 0

9*x+18 = 0

(9*x+18)/20 = 0

(9*x+18)/20 = 0 // * 20

9*x+18 = 0

9*x+18 = 0 // - 18

9*x = -18 // : 9

x = -18/9

x = -2

x = -2

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