Bantu matematika kelas 9 :)​

Jawaban:

5/3(4x + 2) = 2(3x – 1)

20/3x + 10/3x = 6x – 2

3 × (20/3x + 10/3x) = 3 × (6x – 2)

20x + 10 = 18x – 6

20x – 18x = – 6 – 10

2x = – 16

x = – 8

2x + 5

= 2(-8) + 5

= – 16 + 5

= – 11 (A)