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2 - 0,5x + 0,5x = 2x + 4
2 = 2x + 4
-2x = 4 - 2
-2x = 2
x = 2 / -2
x = -1
2 - 0,5x + 0,5 = 2x + 4
2 = 2x +4
2x = 4 - 2 = 2
x = 2/-2
= 1
yang ini sudah diperbaiki. maaf jika jawaban saya masih salah, mungkin saya kurang teliti