Rewrite the equation as .
Divide each term in by .
Simplify .
Cancel the common factor of .
Cancel the common factor.
Rewrite the expression.
Cancel the common factor of .
Cancel the common factor.
Divide by .
Simplify .
Combine and .
Multiply the numerator by the reciprocal of the denominator.
Combine and .
Move to the left of .
Solve for g a=1/4g*n