Simplify n+n−nn + n - nn+n−n
Simplify 2xy+xy−xy2xy + xy - xy2xy+xy−xy
Simplify 2a+b−a+b+42a + b - a + b + 42a+b−a+b+4
260 exam-style questions on OCR GCSE Maths Simplifying Algebra. Each one has a worked solution and a mark scheme showing where the marks go.