Question
In Problems 15- 12 , solve each system of equations using Cramer's Rule if it is applicable. If Cranter's Rule is nor applicable, say sa $\left\{\begin{array}{r}\frac{1}{2} x+y=-2 \\ x-2 y=8\end{array}\right.$
Step 1
The given system is: \[ \left\{ \begin{array}{r} \frac{1}{2} x + y = -2 \\ x - 2y = 8 \end{array} \right. \] Multiply the first equation by 2 to clear the fraction: \[ x + 2y = -4 \] Now the system in standard form is: \[ \left\{ \begin{array}{r} x + 2y = -4 \\ x Show more…
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