Bocoran Soal Ujian PTS Ganjil Matematika Kelas 10 SMA Tahun 2021 Bagian 1

5 - 2/3x = 1/3x + 7

- 2/3x - 1/3x = 7-5

-3/3 x = 2

-x = 2

x = -2

-(5 - 2/3x) = 1/3x + 7

-5 + 2/3 x = 1/3x + 7

2/3x - 1/3x = 7 + 5

1/3x = 12

x = 12.3/1

x = 36

Jadi jawaban A. x = -2 dan x = 36