–5x – y + 5
(3) (4a – 9b) + (3a + 5b) =
4a + 3a – 9b + 5b =
7a – 4b
(4) (5x + 2y) – (6x – 4y)
5x - 6x + 2y + 4y =
–x + 6y
Soal 3. Sederhanakanlah
(1) (20x – 4y) : (–4)
–5x – y + 5
(3) (4a – 9b) + (3a + 5b) =
4a + 3a – 9b + 5b =
7a – 4b
(4) (5x + 2y) – (6x – 4y)
5x - 6x + 2y + 4y =
–x + 6y
Soal 3. Sederhanakanlah
(1) (20x – 4y) : (–4)
Editor: Mariyani Soetrisno
Sumber: Buku.kemdikbud.go.id