A triangle has three interior angles with sizes, in degrees, of 3x+83x + 83x+8, x+25x + 25x+25 and x−3x - 3x−3.
Work out the value of xxx.
Practise Edexcel GCSE Maths Forming and Solving Equations with exam-style questions for Foundation and Higher tier. 78 questions, matched to the Edexcel GCSE Maths (1MA1) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.