A system of equations is created by using the line represented by 2 x + 4 y = 0 and the line represented by the data in the table below. x
y
–1
8
3
–4
5
–10
6
–13

What is the x-value of the solution to the system?

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.