Sagot :
Answer:
5x - 7y +9
+ 2x + 4y +3
---------------------------
7x - 3y + 12
Correcting :
7x - 3y +12
- 2x + 4y +3 –> - 2x - 4y - 3
------------------------ -—--—--------------
+5x - 4y + 9
Step-by-step explanation:
Answer:
5x - 7y +9
+ 2x + 4y +3
---------------------------
Correcting :
7x - 3y +12
- 2x + 4y +3 –> - 2x - 4y - 3
------------------------ -—--—--------------
+5x - 4y + 9
Step-by-step explanation: