Answer:
x=1
Step-by-step explanation:
Substitute the value of y to the first given
3x+4(-x)=-1
3x+(-4x)=-1
-x=-1
divide both sides by -1
x=1
10 runners ran fewer than 4 km
Answer:
i dont know man ask your teacher
Step-by-step explanation:
i aint got any steps bro
Answer: 12.25
Explanation:
