Solve the simultaneous equations. You must show all your working. $$\[ \begin{aligned} &2 p-q=7 \\ &3 p+2 q=7 \end{aligned} \]$$ $$\[ \begin{aligned} &p=................... \\ &q=................... \end{aligned} \]$$
Exam No：0580_w21_qp_43 Year：2021 Question No：4(a)
Answer:
Correctly eliminate one variable
\(
\begin{array}{l}
p=3 \\
q=-1
\end{array}
\)
\(
\begin{array}{l}
p=3 \\
q=-1
\end{array}
\)
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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