-k-(-8k+7)
Distribute the negative sign
-k+8k-7
Combine like terms
7k-7
Nothing further can be done with this equation so the answer is: 7k-7
If they don't intersect then there is no solution and the lines are parrell.
Answer:
x=3
Step-by-step explanation:
You have to multiply exponents.
Im guessing this is a rectangle? If so it would be
16+16+25+25
32+50
82 is the perimeter