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\left(3-x\right)\times 5+\left(3x-9\right)\times 2-\left(3x-3\right)\times 4=0
Variable x cannot be equal to any of the values 1,3 since division by zero is not defined. Multiply both sides of the equation by 3\left(x-3\right)\left(x-1\right), the least common multiple of x-4x+3,x-1,x-3.
15-5x+\left(3x-9\right)\times 2-\left(3x-3\right)\times 4=0
Use the distributive property to multiply 3-x by 5.
15-5x+6x-18-\left(3x-3\right)\times 4=0
Use the distributive property to multiply 3x-9 by 2.
15+x-18-\left(3x-3\right)\times 4=0
Combine -5x and 6x to get x.
-3+x-\left(3x-3\right)\times 4=0
Subtract 18 from 15 to get -3.
-3+x-\left(12x-12\right)=0
Use the distributive property to multiply 3x-3 by 4.
-3+x-12x+12=0
To find the opposite of 12x-12, find the opposite of each term.
-3-11x+12=0
Combine x and -12x to get -11x.
9-11x=0
Add -3 and 12 to get 9.
-11x=-9
Subtract 9 from both sides. Anything subtracted from zero gives its negation.
x=\frac{-9}{-11}
Divide both sides by -11.
x=\frac{9}{11}
Fraction \frac{-9}{-11} can be simplified to \frac{9}{11} by removing the negative sign from both the numerator and the denominator.