1. 2(6a – 5b + 1)
= 12a – 10b + 2
2. (9x – 4y) × (–3)
= –27x + 12y
3. (20a + 16b) : 4
= 5a + 4b
4. 8x + 12y / –2
= –4x – 6y
3. Aneka Hitungan.
(1) 3(a + 2b) + 6(a – b)
(2) –(5x – y) + 4(3x – y)
(3) 2(4x + y) – 7x
(4) 8a – 5b – 3(a – 4b)
1. 2(6a – 5b + 1)
= 12a – 10b + 2
2. (9x – 4y) × (–3)
= –27x + 12y
3. (20a + 16b) : 4
= 5a + 4b
4. 8x + 12y / –2
= –4x – 6y
3. Aneka Hitungan.
(1) 3(a + 2b) + 6(a – b)
(2) –(5x – y) + 4(3x – y)
(3) 2(4x + y) – 7x
(4) 8a – 5b – 3(a – 4b)
Editor: Yumi Karasuma