Solve the simultaneous equations. You must show all your working. $$\[ \begin{aligned} 4 x-2 y &=-13 \\ -3 x+4 y &=11 \end{aligned} \]$$ $$\[ \begin{aligned} &x=............................................\\ &y=............................................ \end{aligned} \]$$
Exam No：0580_w21_qp_21 Year：2021 Question No：8
Answer:
Correctly eliminates one variable
\([x=]-3,[y=] 0.5 \mathrm{oe}\)
\([x=]-3,[y=] 0.5 \mathrm{oe}\)
Knowledge points:
E2.5.1 Derive and solve linear equations in one unknown
E2.5.2 Derive and solve simultaneous linear equations in two unknowns.
Solution:
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