Simplify n+n−n−n−nn + n - n - n - nn+n−n−n−n
Simplify 3xy+2xy−7xy3xy + 2xy - 7xy3xy+2xy−7xy
Simplify 4a+3b−7a+2b+64a + 3b - 7a + 2b + 64a+3b−7a+2b+6
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.