Baca tanpa iklan
(5) 6(x – 2) – 2(3x – 7)
(6) -(a – 8) – 5(-2a + 4)
Kunci Jawaban:
(1) = (6x + 1) + 3(x + 2)
= 6x + 1 + 3x + 6
= 9x + 7
(2) = 2(-a + 6) + 4(a - 3)
= -2a + 12 + 4a - 12
BERITA REKOMENDASI
= 2a
(3) = -3(3x - 5) + 7(2x - 1)
= -9x + 15 + 14x - 7
= 5x + 8
(4) = 2(a + 5) - 8(a + 1)
= 2a + 10 - 8a - 8