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Algebraic Expressions

Algebraic Expressions

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Question 55

Given

25x−2125y+1=625 \frac{25^{x-2}}{125^{y+1}} = 625 125y+125x−2​=625

express y y\,y in terms of xxx, writing your answer in its simplest form.

[3]
Markscheme

Algebraic Expressions Questions

  1. AS Level
  2. /Maths
  3. /Algebraic Expressions

134 exam-style questions on Edexcel AS Level Maths Algebraic Expressions, covering 1.1 Index Laws, 1.2 Expanding Brackets, 1.3 Factorising, 1.4 Negative and Fractional Indices, and 1.5 Surds. Each one has a worked solution and a mark scheme showing where the marks go.

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