Solve kx+3+3x+k=1\displaystyle \frac{k}{x + 3} + \frac{3}{x + k} = 1x+3k+x+k3=1 in terms of kkk
255 exam-style questions on OCR GCSE Maths Algebraic Fractions. Each one has a worked solution and a mark scheme showing where the marks go.