7x - 1 = 20
7 times 3 is 21, 21 minus 1 is 20
Start with

Subtract
from both sides:

Divide both sides by 

And thus we solved the expression for l:

Answer:
This is a positive slope
Step-by-step explanation:
Plug In:
Formula = y^2 - y^1 / x^2 - x^1
13 - 3 / 5 - 0
10/5
Slope = 2
Answer:
dsg
Step-by-step explanation:
Step-by-step explanation:
here's the answer to your question