exam Maths Puzzle Numerical Ability

9-3w+w=13 i need help with this

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exam Other Question

2x^2 - x - 3/3x^2 + 7x +4 . 3x^2 - 11x -20/4x^2 - 9 Find the perimeter of the given figure, a rectangle.

x 8
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2x-5 and 2x-5

Do I multiply or divide this to find an answer. The first one is on top