25 3X2 – 6X = –3 ⇔ X = 1 (Y = 4)PTTT

2. - DE VA DAP AN KIEM TRA KY 2 KHOI 11
Toán DE VA DAP AN KIEM TRA KY 2 KHOI 11

2.a

0.25

3x

2

– 6x = –3 ⇔ x = 1 (y = 4)

PTTT: y = –3x + 7

x