A triangular flower bed has side lengths, in metres, of 2x−32x - 32x−3, x+7x + 7x+7 and 3x−13x - 13x−1.
Write down an expression, in terms of xxx, for the perimeter of the flower bed.
The perimeter of the flower bed is 27 metres. Work out the value of xxx.
139 exam-style questions on Eduqas GCSE Maths Forming and Solving Equations. Each one has a worked solution and a mark scheme showing where the marks go.