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GCSE Secondary Maths Age 13-17 - Number: Number machines - Explained
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Mathematics, Information Technology (IT), Architecture
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10th - 12th Grade
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Hard
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The video tutorial explains a number machine that multiplies an input by 3 and subtracts 4 to produce an output. It covers three parts: calculating the output for a given input, reversing the process to find the input for a given output, and finding an input where the input and output are equal. The tutorial uses examples and algebraic methods to solve these problems, emphasizing understanding of input-output machines and reversing operations.
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