Answer: C is correct, No solution
Step-by-step explanation:
Let’s simplify the second equation,
8x-4y=-20
We can divide the whole equation by 4...
8x/4-4y/4=-20/4
Which becomes....
2x-y=-5
Now let’s move things around to see if it’s the same equation as the one on top...
-y=-2x-5
y=2x+5
Now we need to solve the systems...
y=2x-5
y=2x+5
Since their slopes are both 2 and their y-intercepts are not identical, the answer is no solution. The two lines will continue on without ever crossing because they have the same slope.
Answer:

Step-by-step explanation:



<h3>Hope it is helpful...</h3>
Answer:
3) -11 + 11
Step-by-step explanation:
-11+11=0
Answer:
Step-by-step explanation:

Let us divide by 14 by 7 which is 2, so the equation is:

Let us multiple 21 over the other side since 21 is in the denominator of the equation, so we get

So the answer is 42.