The sizes of the angles, in degrees, of a triangle are 3x−53x - 53x−5, 2x+122x + 122x+12 and x+8x + 8x+8.
Work out the value of xxx.
71 exam-style questions on Edexcel GCSE Maths Forming and Solving Equations. Each one has a worked solution and a mark scheme showing where the marks go.