(12x-7)/(4-3x)=4

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Solution for (12x-7)/(4-3x)=4 equation: 


D( x )

4-(3*x) = 0

4-(3*x) = 0

4-(3*x) = 0

4-3*x = 0

4-3*x = 0 // - 4

-3*x = -4 // : -3

x = -4/(-3)

x = 4/3

x in (-oo:4/3) U (4/3:+oo)

(12*x-7)/(4-(3*x)) = 4 // - 4

(12*x-7)/(4-(3*x))-4 = 0

(12*x-7)/(4-3*x)-4 = 0

(12*x-7)/(4-3*x)+(-4*(4-3*x))/(4-3*x) = 0

12*x-4*(4-3*x)-7 = 0

24*x-23 = 0

(24*x-23)/(4-3*x) = 0

(24*x-23)/(4-3*x) = 0 // * 4-3*x

24*x-23 = 0

24*x-23 = 0 // + 23

24*x = 23 // : 24

x = 23/24

x = 23/24

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