3 X - 5 y = -3 dan 4 x + 2y = 4 metode eliminasi caranya
Matematika
novi1096
Pertanyaan
3 X - 5 y = -3 dan 4 x + 2y = 4 metode eliminasi caranya
1 Jawaban
-
1. Jawaban sichasilvia28
Eliminasi persamaan 1 dan 2
3x - 5y = -3 | x2 | 6x - 10y = -6
4x + 2y= 4 | x5 | 20x +10y = 20
26x = 14
x = -14/26
x = -7/13
3x - 5y = -3 | x4 | 12x - 20y = -12
4x + 2y= 4 | x3 | 12x + 6y = 12
-14y = -24
x = -24 / -14
x = 12/7