jika 5x-9=2x+6,maka nilai x-3 adalah

5x - 9 = 2x + 6
5x - 2x = 9 + 6
3x = 15
x = 15 ÷ 3
x = 5
_____________
x - 3 = ......
5 - 3 = 2 ✓✓

Semoga Bermanfaat

Mapel : Matematika
Bab : Sistem Persamaan Linear Satu Variabel (SPLSV)

5x - 9 = 2x + 6
5x - 2x = 6 + 9
3x = 15
x = 15/3
x = 5

x - 3
= 5 - 3
= 2