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Mathematics · May / June 2023 · Paper 22 · Question 18

0580

As printed in the paper

The question as text

Make x the subject of the formula. c x x 2 5 3 = - x = [4]

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5 c oe final answer − 2 c 3 [4]

M1 for correctly clearing the denominator and expanding bracket or correctly clearing the denominator and dividing by c

M1 for correctly collecting terms in x on one side and terms not in x on the other

M1 for correct factorising

M1 for correct division dependent on x appearing only once in a factorised expression Maximum 3 marks for an incorrect answer

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