Verify that x=9x=9x=9 is a solution of 2x3=6\displaystyle \frac{2x}{3}=632x=6
Verify that n=2.5n=2.5n=2.5 is a solution of 2(n+5)=152(n + 5) = 152(n+5)=15
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.