Algebraic Techniques, SM-Bank 128 A number \(x\) is added to \(4\) and the result is doubled. Write an algebraic expression and expand it to represent this information. (2 marks) Show Answers Only \(2x+8\) Show Worked Solution \(2(x+4)\) \(=2\times x+2\times 4\) \(=2x+8\)