pliss bantu yah pake cara sistem persamaan linier nomer 2 aja gpp

2x - 3y = 7
x - 2y = 4 |×2

2x - 3y = 7
2x - 4y = 8
------------------(-)
y = - 1

x - 2y = 4
x - 2(-1) = 4
x = 4 - 2
x = 2