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\left(x-6\right)x-1=\left(x-5\right)x
Variable x cannot be equal to any of the values 5,6 since division by zero is not defined. Multiply both sides of the equation by \left(x-6\right)\left(x-5\right), the least common multiple of x-5,x^{2}-11x+30,x-6.
x^{2}-6x-1=\left(x-5\right)x
Use the distributive property to multiply x-6 by x.
x^{2}-6x-1=x^{2}-5x
Use the distributive property to multiply x-5 by x.
x^{2}-6x-1-x^{2}=-5x
Subtract x^{2} from both sides.
-6x-1=-5x
Combine x^{2} and -x^{2} to get 0.
-6x-1+5x=0
Add 5x to both sides.
-x-1=0
Combine -6x and 5x to get -x.
-x=1
Add 1 to both sides. Anything plus zero gives itself.
x=-1
Multiply both sides by -1.