Move all terms not containing n to the right side of the equation.
Subtract 4 from both sides of the equation.
Subtract 4 from 6.
Multiply each term in -n=2 by -1
Multiply each term in -n=2 by -1.
Multiply -1 by -1.
Multiply n by 1.
Multiply 2 by -1.
Solve for n 4-n=6