OCR C1 — Question 7

Exam BoardOCR
ModuleC1 (Core Mathematics 1)
TopicSimultaneous equations
7. Solve the simultaneous equations $$\begin{aligned} & x - 3 y + 7 = 0
& x ^ { 2 } + 2 x y - y ^ { 2 } = 7 \end{aligned}$$
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