Penyelesaian dari sistem persamaan x – 2y = 3 dan 5x – 2y = -1 adalah ….
Penjelasan:
mencari y
x -2y = 3
5x - 2y = -1
5x - 10y=15
5x - 2y = -1
-8y=16
y=16/8
y= 8
mencari x,y=8
x-2y=3
x-2(8)=3
x-16=3
x=3+16
x=19
[answer.2.content]100 Extraordinary Stories for Courageous Girls: Unforgettable Tales of Women of Faith
100 Extraordinary Stories for Courageous Girls: Unforgettable Tales of Women of Faith
Penjelasan:
mencari y
x -2y = 3
5x - 2y = -1
5x - 10y=15
5x - 2y = -1
-8y=16
y=16/8
y= 8
mencari x,y=8
x-2y=3
x-2(8)=3
x-16=3
x=3+16
x=19
[answer.2.content]