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2y - 3 = 12 - y
2y + y = 12 +3
3y = 15
y = 5
y - 2 = 5 - 2 = 3
2.
2x - 5y =18
5x - 3y = harusnya ada angkanya
2y-3=12-y
2y+y=12+3
3y=15
y=15 : 3
y= 5
makanilai
y - 2
5 - 2= 3
2. persamaannya
2x-y=18
5x-3y= ...
soal itu nilainya brapa klo ada nilainya bisa bantu..
kli suja dilike