2x+y = 4 x-y = -1 tentukan x dan y
Matematika
shillazhrntr
Pertanyaan
2x+y = 4
x-y = -1
tentukan x dan y
x-y = -1
tentukan x dan y
1 Jawaban
-
1. Jawaban Azahria
2x+y = 4
x-y = -1 ……= y= -x-1
2x + (-x-1) = 4
2x + (-x) -1 = 4
x -1 = 4
x = 4+1
x = 5
x-y= -1
5 - y = -1
-y = -1-5
-y = -6
y= 6