Simplify 7x+5x−3x7x + 5x - 3x7x+5x−3x
Hence, find the value of 7x+5x−3x7x + 5x - 3x7x+5x−3x when x=4x = 4x=4
260 exam-style questions on AQA GCSE Maths Simplifying Algebra. Each one has a worked solution and a mark scheme showing where the marks go.