Reciprocal substitution I

Reciprocal substitution I

Secondary 2
TGM Original Questions

Given that \(m=\frac{1}{x}\) and \(n=\frac{1}{y}\), the variables \(m\) and \(n\) satisfy the following pair of simultaneous equations.

\(m+2n=4\)

\(3m-n=5\)

  1. Solve the simultaneous equations to find \(m\) and \(n\).
  2. Hence, find \(x\) and \(y\).

Solution:

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Answer:\(x=\frac12\), \(y=1\).

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