WJEC Further Unit 4 2023 June — Question 4

Exam BoardWJEC
ModuleFurther Unit 4 (Further Unit 4)
Year2023
SessionJune
Topic3x3 Matrices
4. Solve the simultaneous equations $$\begin{aligned} 4 x - 2 y + 3 z & = 8
2 x - 3 y + 8 z & = - 1
2 x + 4 y - z & = 0 \end{aligned}$$
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