Given that a=5a = 5a=5, find the value of a+a+a+aa + a + a + aa+a+a+a
Given that b=8b = 8b=8, find the value of b−3b - 3b−3
Given that c=4c = 4c=4, find the value of 4c+64c + 64c+6
283 exam-style questions on OCR GCSE Maths Solving Equations. Each one has a worked solution and a mark scheme showing where the marks go.