9 yards is about 8 meters
Answer:
x = 10
Step-by-step explanation:

or, 10x + 8 = 4(2x + 7)
or, 10x + 8 = 8x + 28
or, 10x - 8x = 28 -8
or, 2x = 20
or, x = 20/2
or, x = 10
x = 10
Rotate the second shape upside down and put the triangle on top
The answer to your question is (A, -3,-5)
Standard form: -3x +5y= -1