Move all terms containing z to the left side of the equation.
Add z2 to both sides of the equation.
Combine fractions with similar denominators.
Add z and z.
Reduce the expression 2z2 by cancelling the common factors.
Cancel the common factor.
Rewrite the expression.
Divide z by 1.
Move all terms not containing z to the right side of the equation.
Subtract 8 from both sides of the equation.
Subtract 8 from 9.
Solve for z z/2+8=9-z/2