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Algebraic Expressions

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Question 128

Given

43x−18y+2=16 \frac{4^{3x-1}}{8^{y+2}} = 16 8y+243x−1​=16

express x x\,x in terms of yyy, writing your answer in its simplest form.

[3]
Markscheme

Algebraic Expressions Questions

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

233 exam-style questions on Edexcel A 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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