It would be subtraction I think
9514 1404 393
Answer:
zero
Step-by-step explanation:
Dividing the second equation by -3, it becomes ...
x -3y = 7/3
Compared to the first equation, ...
x -3y = 5
we see that it is <em>inconsistent</em>. No values of the variables can satisfy both equations. There are no solutions.
Hey there! I'll try to provide you with my best answer.
Answer: 30
The difference between 48 and 21 is 27. So if we round it off it comes 30.
Hope it helps! ^^