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2x + 3 - 3 = 11 - 3 (kedua ruas dikurangi 3)
2x = 8
x = 4
2. 6 - 5y = 9 - 4y
6 - 5y - 6 = 9 - 4y - 6 (kedua ruas dikurangi 6)
-5y = 3 - 4y
-5y + 4y = 3 - 4y + 4y (kedua ruas ditambah 4y)
-y = 3
y = -3
maaf klu salah
2x = 11 -3
2x = 8
x = 8/2
x = 4
HP={4}
2. 6-5y=9-4y
6-9 = -4y + 5y
-3 = y
HP = {-3}