Jawaban:
2y - 3 = 12 -y
2y + y = 12+ 3
3y = 15
y = 15/3
y = 5
y -2 = 5 -2
= 3
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Jawaban:
2y - 3 = 12 -y
2y + y = 12+ 3
3y = 15
y = 15/3
y = 5
y -2 = 5 -2
= 3