Algebraic Techniques, SM-Bank 131 A number \(\large y\) is halved and 3 is added. The result is then multiplied by 4. Write an algebraic expression and expand it to represent this information. (2 marks) Show Answers Only \(2y+12\) Show Worked Solution \(4\bigg(\dfrac{y}{2}+3\bigg)\) \(=4\times \dfrac{y}{2}+4\times 3\) \(=\dfrac{4y}{2}+12\) \(=2y+12\)