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(5)= (-7 + 5x) + (2 - 5x)
= -7 + 2 + 5x - 5x
= -5
(6) = (3/5x - 2/3) + (2/5x + 1/3)
= 3/5x + 2/5x - 2/3 + 1/3
= x - 1
Baca juga: Kunci Jawaban Matematika Kelas 7 Halaman 72 73 Kurikulum Merdeka: Subtitusi Bentuk Aljabar
Soal nomor 2
BERITA REKOMENDASI
(1) (7x + 2) - (3x - 1)
(2) (x - 8) - (2x - 5)
(3) (-4a + 9) - (a + 3)
(4) (5a + 6) - (-2a + 6)
(5) (7 - x) - (2x + 8)
(6) (⅓x - 2) - (½x - 5)
Kunci Jawaban: