Answer:
2
Step-by-step explanation:
Substitute y=2x in the first equation into the second.
The second equation then becomes;
x = -(2x)+6
x = -2x+6
Collectiing like terms, more -2x to the left,
x+2x =6
3x=6
x=
x= 2
Answer:
-1
Step-by-step explanation:
16.5/3 = 5.5
Step-by-step explanation:
becuase he needs to walk 16.5 miles. and he can walk 3 miles per x(hour)
you need to devide distance by speed to get time.
Answer:
its Aor the first option because it has repeated x values making it not a function.
Answer: I'm not completly certain but, try 27% and see if it's right.
Step-by-step explanation: