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\left(x-9\right)^{1}-2\left(x+3\right)=6x-6
Multiply both sides of the equation by 6, the least common multiple of 6,3.
x-9-2\left(x+3\right)=6x-6
Calculate x-9 to the power of 1 and get x-9.
x-9-2x-6=6x-6
Use the distributive property to multiply -2 by x+3.
-x-9-6=6x-6
Combine x and -2x to get -x.
-x-15=6x-6
Subtract 6 from -9 to get -15.
-x-15-6x=-6
Subtract 6x from both sides.
-7x-15=-6
Combine -x and -6x to get -7x.
-7x=-6+15
Add 15 to both sides.
-7x=9
Add -6 and 15 to get 9.
x=\frac{9}{-7}
Divide both sides by -7.
x=-\frac{9}{7}
Fraction \frac{9}{-7} can be rewritten as -\frac{9}{7} by extracting the negative sign.