Jika
Jawaban Terkonfirmasi
MAPEL = MATEMATIKA
KELAS = 7
BAB = SPLSV
5x – 5 = 2x + 7
5x – 2x = 7 + 5
3x = 12
x = 12/3
x = 4
nilai x – 1 (subtitusi nilai x)
= 4 – 1
= 3
semoga membantu
Jawaban Terkonfirmasi
5x – 5 = 2x + 7
5x – 2x = 7 + 5
3x = 12
x = 12 ÷ 3 = 4
maka, x – 1 = 4 – 1 = 3