Find the value of x x\,x such that
8x+1=43x−1 8^{x+1} = 4^{3x-1} 8x+1=43x−1134 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.