Answer:
Could you please put this in english?
Step-by-step explanation:
So sorry I can't help
Answer:
8,400
Step-by-step explanation:

Answer:
-17
Step-by-step explanation:
4.5*6=27
so -44++27
Answer:
Step-by-step explanation:
23x + xy - y + 3y + 5 - 20x + 6xy = 23x - 20x + xy + 6xy -y + 3y + 5
= 3x + 7xy + 2y + 5
Errors:1) The combined coefficients of the x terms should be 3x, not 43x
2) The coefficients of the y terms have been multiplied.
3) The constant was left off.