(3) (4/9 x – 5/3) + (5/9 x + 4/3)
(4) (7x + 4) – (5x – 1)
(5) (-2y + 8) – (3y + 6)
(6) (14 – a) - (-9 – a)
(7) (1/4 y + 6) – (- ½ y – 3)
Kunci Jawaban:
(1) 8x – 7
(2) 3x – 2
(3) x – 1/3
(4) 2x + 5
(5) -5y + 2
(6) 12
(7) Jadi = ¼ y + 6 + ½ y + 3
= ¾ y + 9
Soal nomor 3