17=1-n-n

Rewrite the equation as 1-n-n=17.

1-n-n=17

Subtract n from -n.

1-2n=17

Subtract 1 from both sides of the equation.

-2n=17-1

Subtract 1 from 17.

-2n=16

-2n=16

Divide each term in -2n=16 by -2.

-2n-2=16-2

Cancel the common factor of -2.

Cancel the common factor.

-2n-2=16-2

Divide n by 1.

n=16-2

n=16-2

Divide 16 by -2.

n=-8

n=-8

Solve for n 17=1-n-n