They are the same because both triangles have the same every to the other triangle.
You turn an improper fraction to a decimal by dividing the numerator (number on top) by the denominator (number under).
Insert (1,1) -> x=1, y=1 into the equation and check if both side are equal:
y=3x-2
1=3*1-2
1=1
so yes the ordered pair is a solution of the equation
You can look it up on Socratic
