1. 3x=y
3+y=z
2. 1/2y=x
7x=z
Yes you use the method of your choice to solve (x+7)*(x+7)
Then you distribute the negative -1(x^2+14x+49)
Then you add the four
-x^2-14x-45 should be your answer
1 yard = 3 feet
7 yard = 21 feet
21 + 2 = 23 feet
Answer:
look i think is -5.005 I don't really know but I hope you get it right. Have a good day
The correct answer is x because u have to look on the x axis