Rewrite the equation as n=12-27.
To write 12 as a fraction with a common denominator, multiply by 77.
To write -27 as a fraction with a common denominator, multiply by 22.
Write each expression with a common denominator of 14, by multiplying each by an appropriate factor of 1.
Multiply 12 and 77.
Multiply 2 by 7.
Multiply 27 and 22.
Multiply 7 by 2.
Combine the numerators over the common denominator.
Simplify the numerator.
Multiply -2 by 2.
Subtract 4 from 7.
The result can be shown in multiple forms.
Solve for n 1/2-2/7=n