Simplify 6a+3−9a+2a−86\mathrm{a} + 3 - 9\mathrm{a} + 2\mathrm{a} - 86a+3−9a+2a−8
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.