2x
2x
3x + 9
The diagram shows a rectangle The sides are measured in centimetres
(a) Explain why 5x+3 = 3x +9
(b) Solve 5x + 3 = 3x +9
(c) Calculate the perimeter of the rectangle
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Answer:
5x-3x=9-3
2x=6
x = 6/2
x=3
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