(12+x)/(12+85+x)=0.9706

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Solution for (12+x)/(12+85+x)=0.9706 equation: 


D( x )

x+12+85 = 0

x+12+85 = 0

x+12+85 = 0

x+97 = 0 // - 97

x = -97

x in (-oo:-97) U (-97:+oo)

(x+12)/(x+12+85) = 0.9706 // - 0.9706

(x+12)/(x+12+85)-0.9706 = 0

(x+12)/(x+97)-0.9706 = 0

(x+12)/(x+97)+(-0.9706*(x+97))/(x+97) = 0

x-0.9706*(x+97)+12 = 0

0.0294*x-82.1482 = 0

(0.0294*x-82.1482)/(x+97) = 0

(0.0294*x-82.1482)/(x+97) = 0 // * x+97

0.0294*x-82.1482 = 0

0.0294*x-82.1482 = 0 // + 82.1482

0.0294*x = 82.1482 // : 0.0294

x = 82.1482/0.0294

x = 2794.15646259

x = 2794.15646259

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