Because the 7 is used more than once.
The two parallel lines are FL and GK, on the right side of the shape. The other line is perpendicular to them.
Can you include a picture?
Answer:
2 x minus y = negative 6 and 3 x minus y = negative 5
Step-by-step explanation:
y = 2(x+3) = 2x + 6 or 2x - y = -6
y = 5 + 3x or 3x - y = -5
