Rewrite the equation as .

Simplify each term.

Apply the distributive property.

Multiply by .

Subtract from .

Subtract from both sides of the equation.

Divide each term in by .

Cancel the common factor of .

Simplify each term.

Multiply by .

Factor out of .

Separate fractions.

Divide by .

Divide by .

Divide by .

Solve for z c=0.41+0.26(z-1)