Oder of operations is this;
The first two is wrong, the last two is one of the right ones, I think it’s c
Answer:
1/2 * 3/5 = 3/15 = 1/5
Step-by-step explanation:
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.