12. Solve the equation. (5)/(6)x-3x+(4)/(3)=(5)/(3) The solution set is square (Simplify your answer.)

To solve the equation, we first combine like terms on the left side of the equation: Combine the x terms: Simplify the right side: Combine the x terms on the left side: Simplify the left side: Divide both sides by : Simplify the right side: Therefore, the solution set is .