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Solve for $x$ and $y$ in the simultaneous equations $x = 7 - 3y$ and $x^2 - y^2 = 39$.
Mathematics 0580 · IGCSE · Equations
Equations — practice question
You must include all of your working.
Mathematics 0580 · IGCSE · Equations
Solve for $x$ and $y$ in the simultaneous equations $x = 7 - 3y$ and $x^2 - y^2 = 39$.