Answer:

Step-by-step explanation:
{x -4y = −21
{8y - x = 45
_________

[Plug this back into both equations above to get the x-coordinate of 3]; 
I am joyous to assist you anytime.
Answer:
less than
Step-by-step explanation:
-0.025 is further away from -0.14 in the number line.
You would set the equations equal to eachother and get x=-5/4 and then plug that in for x, i hope this helps!