Algebra 2HardLinear Systems & Matrices ShareLinear Systems & Matrices · Hard problemSolve using Cramer's Rule: {3x+5y=72x−4y=12\begin{cases} 3x + 5y = 7 \\ 2x - 4y = 12 \end{cases}{3x+5y=72x−4y=12A(4,+1)(4,+1)(4,+1)B(4,−2)(4,-2)(4,−2)C(8,−1)(8,-1)(8,−1)D(4,−1)(4,-1)(4,−1)Check Show answer Walk through it step by step Practice more like this Review this concept