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Verified answer
Aljabar----------
Cara Mengerjakan :
(2x + y - 1) - (x + 2y + 3) - (3x - y + 4)
= 2x + y - 1 - x - 2y - 3 - 3x + y - 4
= 2x - x - 3x + y - 2y + y - 1 - 3 - 4
= -2x - 8
Jawaban = -2x - 8
Semoga bisa bermanfaat
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