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GSCE Mathematics Problem Solving Algebra Higher Tier

GSCE Mathematics Problem Solving Algebra Higher Tier. x-4 The numerator of this fraction is 4 less x than the denominator. When the numerator of the fraction is doubled a nd 16 is added to the denominator, the fraction is equal to 2 5

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GSCE Mathematics Problem Solving Algebra Higher Tier

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  1. GSCE Mathematics Problem Solving Algebra Higher Tier

  2. x-4 The numerator of this fraction is 4 less x than the denominator. When the numerator of the fraction is doubled and 16 is added to the denominator, the fraction is equal to 2 5 What is the original fraction ? Helping hand What is the numerator when it is doubled? What is the denominator when 16is added? This fraction is equal to two fifths – form an algebraic equation and solve to find x.

  3. Answer 2(x-4) = 2 x +16 5 5(2x – 8) = 2(x + 16) 10x – 40 = 2x + 32 8x = 72 x = 9 Original fraction = 5 9

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