Multiply both sides of the equation by .

Remove parentheses.

Simplify each term.

Factor out of .

Factor out of .

Factor out of .

Factor out of .

Cancel the common factor of .

Factor out of .

Factor out of .

Cancel the common factor.

Rewrite the expression.

Combine and .

Multiply by .

Move the negative in front of the fraction.

Factor out of .

Separate fractions.

Divide by .

Divide by .

Apply the distributive property.

Multiply by .

Multiply by .

Apply the distributive property.

Multiply by .

Multiply by .

Subtract from .

Multiply by .

Subtract from both sides of the equation.

Divide each term in by .

Cancel the common factor of .

Divide by .

Solve for A (1157-94(64.5-94A)/6)/6=0