Problem

Problem

Solve the following simultaneous equations graphically: (a) {y=3x+2y=x−2\begin{cases} y = 3x + 2 \\ y = x - 2 \end{cases} (b) {y=−4x+1y=3x−6\begin{cases} y = -4x + 1 \\ y = 3x - 6 \end{cases} (c) {y=2x−5y=12x+4\begin{cases} y = 2x - 5 \\ y = \frac{1}{2}x + 4 \end{cases} (d) {y=x−12x+3y=12\begin{cases} y = x - 1 \\ 2x + 3y = 12 \end{cases} (e) {x+3y=9x−2y=4\begin{cases} x + 3y = 9 \\ x - 2y = 4 \end{cases} (f) {3x−2y=304x+y=−4\begin{cases} 3x - 2y = 30 \\ 4x + y = -4 \end{cases}

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