Edexcel C1 — Question 4

Exam BoardEdexcel
ModuleC1 (Core Mathematics 1)
TopicSimultaneous equations
4. Find the pairs of values \(( x , y )\) which satisfy the simultaneous equations $$\begin{aligned} & 3 x ^ { 2 } + y ^ { 2 } = 21
& 5 x + y = 7 \end{aligned}$$
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