The lengths, in cm, of the sides of a triangle are 3x−53x - 53x−5, 2x−12x - 12x−1 and x+1x + 1x+1
a.[2]
Write down an expression, in terms of xxx, for the perimeter of the triangle.
b.[2]
The perimeter of the triangle is 31 cm. Work out the value of xxx.
Forming and Solving Equations Questions
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.