Edexcel Gcse Mathematics (Linear) - Algebra - Forming And Solving Equations Page 9
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99.
4 + 1
x
x
x
2 + 12
x
Diagram NOT accurately drawn
The diagram shows a rectangle.
All the measurements are in centimetres.
(a)
Explain why 4x + 1 = 2x + 12
.....................................................................................................................................
.....................................................................................................................................
(1)
(b) Solve
4x + 1 = 2x + 12
x = ........................................
(2)
(c) Use your answer to part (b) to work out the perimeter of the rectangle.
........................................ cm
(2)
(5 marks)
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