(450x)/(x+12)=180

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Solution for (450x)/(x+12)=180 equation: 


D( x )

x+12 = 0

x+12 = 0

x+12 = 0

x+12 = 0 // - 12

x = -12

x in (-oo:-12) U (-12:+oo)

(450*x)/(x+12) = 180 // - 180

(450*x)/(x+12)-180 = 0

(450*x)/(x+12)+(-180*(x+12))/(x+12) = 0

450*x-180*(x+12) = 0

270*x-2160 = 0

(270*x-2160)/(x+12) = 0

(270*x-2160)/(x+12) = 0 // * x+12

270*x-2160 = 0

270*x-2160 = 0 // + 2160

270*x = 2160 // : 270

x = 2160/270

x = 8

x = 8

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