ini tentang sistem persamaan linier dua variabel (SPLDV) 2x-3y=16 -5x+y=-27

2x-3y=16 (x1) 2x-3y=16
-5x+y=-27 (x3) 15x+3y=-81
--------------------------------------------- +
17x=-65
x=-65/17
x=-3 14/17


2x-3y=16
2(-65/17)-3y=16
-130/17-51y/17=16
-130-51y=16.17
-51y=272+130
y=- 402/51
y=-7 45/51
y=-7 15/17

HP={-3 14/17, -7 15/17}

2x-3y=16 (x1) 2x-3y=16 -5x+y=-27 (x3) 15x+3y=-81 17x=-65 x=-65/17 x=-3 14/17 2x-3y=16 2(-65/17)-3y=16 -130/17-51y/17=16 -130-51y=16.17 -51y=272+130 y=- 402/51 y=-7 45/51 y=-7 15/17 HP={-3 14/17, -7 15/17}