4.5/(x+98)=0.9/(x+2)

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Solution for 4.5/(x+98)=0.9/(x+2) equation: 


D( x )

x+2 = 0

x+98 = 0

x+2 = 0

x+2 = 0

x+2 = 0 // - 2

x = -2

x+98 = 0

x+98 = 0

x+98 = 0 // - 98

x = -98

x in (-oo:-98) U (-98:-2) U (-2:+oo)

4.5/(x+98) = 0.9/(x+2) // - 0.9/(x+2)

4.5/(x+98)-(0.9/(x+2)) = 0

4.5/(x+98)-0.9*(x+2)^-1 = 0

4.5/(x+98)-0.9/(x+2) = 0

(4.5*(x+2))/((x+98)*(x+2))+(-0.9*(x+98))/((x+98)*(x+2)) = 0

4.5*(x+2)-0.9*(x+98) = 0

3.6*x-79.2 = 0

(3.6*x-79.2)/((x+98)*(x+2)) = 0

(3.6*x-79.2)/((x+98)*(x+2)) = 0 // * (x+98)*(x+2)

3.6*x-79.2 = 0

3.6*x-79.2 = 0 // + 79.2

3.6*x = 79.2 // : 3.6

x = 79.2/3.6

x = 22

x = 22

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