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9\left(2x-1\right)=-18\left(-\frac{3x+9}{3}-2+x\right)-3x
Multiply both sides of the equation by 6, the least common multiple of 2,3.
18x-9=-18\left(-\frac{3x+9}{3}-2+x\right)-3x
Use the distributive property to multiply 9 by 2x-1.
18x-9=-18\left(-\left(3+x\right)-2+x\right)-3x
Divide each term of 3x+9 by 3 to get 3+x.
18x-9=-18\left(-3-x-2+x\right)-3x
To find the opposite of 3+x, find the opposite of each term.
18x-9=-18\left(-5-x+x\right)-3x
Subtract 2 from -3 to get -5.
18x-9=-18\left(-5\right)-3x
Combine -x and x to get 0.
18x-9=90-3x
Multiply -18 and -5 to get 90.
18x-9+3x=90
Add 3x to both sides.
21x-9=90
Combine 18x and 3x to get 21x.
21x=90+9
Add 9 to both sides.
21x=99
Add 90 and 9 to get 99.
x=\frac{99}{21}
Divide both sides by 21.
x=\frac{33}{7}
Reduce the fraction \frac{99}{21} to lowest terms by extracting and canceling out 3.