Solve the linear system: {3x−2y=52x+4y=10\begin{cases} 3x - 2y = 5 \\ 2x + 4y = 10 \end{cases}{3x−2y=52x+4y=10 What is x+yx + yx+y?
x+y=3x + y = 3x+y=3
x+y=2x + y = 2x+y=2
x+y=4x + y = 4x+y=4
x+y=5x + y = 5x+y=5