TÌM X Z BIẾTA) 2. ( X – 3) – 3. (X – 5) = 4. ( 3 – X) – 18B) -2X – 11...

Câu 10: Tìm x Z biết

a) 2. ( x – 3) – 3. (x – 5) = 4. ( 3 – x) – 18

b) -2x – 11 chia hết cho 3x + 2