Algebraic Techniques, SM-Bank 015 Write an expression for double the sum of \(a\) and \(b\). (1 mark) Show Answers Only \(2\times(a+b)\ \text{or } 2(a+b)\) Show Worked Solution \(\text{Sum of }a \text{ and}\ b=a+b\) \(\therefore\ \text{double the sum}=2\times(a+b) \ \text{or }2(a+b)\)