3/7=15/(2-3x)

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Solution for 3/7=15/(2-3x) equation: 


D( x )

2-(3*x) = 0

2-(3*x) = 0

2-(3*x) = 0

2-3*x = 0

2-3*x = 0 // - 2

-3*x = -2 // : -3

x = -2/(-3)

x = 2/3

x in (-oo:2/3) U (2/3:+oo)

3/7 = 15/(2-(3*x)) // - 15/(2-(3*x))

3/7-(15/(2-(3*x))) = 0

3/7-15*(2-3*x)^-1 = 0

3/7-15/(2-3*x) = 0

(-15*7)/(7*(2-3*x))+(3*(2-3*x))/(7*(2-3*x)) = 0

3*(2-3*x)-15*7 = 0

-9*x-99 = 0

(-9*x-99)/(7*(2-3*x)) = 0

(-9*x-99)/(7*(2-3*x)) = 0 // * 7*(2-3*x)

-9*x-99 = 0

-9*x-99 = 0 // + 99

-9*x = 99 // : -9

x = 99/(-9)

x = -11

x = -11

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