Selesaikan menggunakan metode substitusi 2x + y =8 2x + 3y=19

[tex]2x + 3y = 19\\ 2x + y = 8 \\ 2y = 11 \\ y = \frac{11}{2} dan \: \: 2x + \frac{11}{2} = 8 \\ 2x = \frac{16}{2} - \frac{11}{2} \\ x = \frac{5}{4} [/tex]