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\left(x-1\right)\times 7+\left(x+1\right)\times 3=-x\times 6
Variable x cannot be equal to any of the values -1,0,1 since division by zero is not defined. Multiply both sides of the equation by x\left(x-1\right)\left(x+1\right), the least common multiple of x^{2}+x,x^{2}-x,1-x^{2}.
7x-7+\left(x+1\right)\times 3=-x\times 6
Use the distributive property to multiply x-1 by 7.
7x-7+3x+3=-x\times 6
Use the distributive property to multiply x+1 by 3.
10x-7+3=-x\times 6
Combine 7x and 3x to get 10x.
10x-4=-x\times 6
Add -7 and 3 to get -4.
10x-4=-6x
Multiply -1 and 6 to get -6.
10x-4+6x=0
Add 6x to both sides.
16x-4=0
Combine 10x and 6x to get 16x.
16x=4
Add 4 to both sides. Anything plus zero gives itself.
x=\frac{4}{16}
Divide both sides by 16.
x=\frac{1}{4}
Reduce the fraction \frac{4}{16} to lowest terms by extracting and canceling out 4.