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