Answer:
k=1
Step-by-step explanation:

Subtract 8 from both sides

Divide

Simplify

Answer:
540 miles
Step-by-step explanation:
60 times 9
7) y = 4x
8) y = 7x/8
9) y = 25x/3
I think this are the answers.
I hope this helps you
13x-11x=-25-15
2x=-40
x=-20
5t-5t=7+5
0=12 false