The equation is .
Divide each side by 12.
\Cancel common terms.
\.
For any real numbers a and b, where , if
then
.
Case 1: .
Subtract 3 from side.
\Multiply each side by 2.
\Cancel common terms.
\.
Case 1: .
Subtract 3 from side.
\Multiply each side by 2.
\.
To check the solution 1 substitute the value of in the original equation.
.
Because the above statement is true, so the value of is a solution of the original equation.
To check the solution 1 substitute the value of in the original equation.
.
Because the above statement is true, so the value of is a solution of the original equation.
The solutions are .