Зp + 8 = 14 what does negative equal

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

14. (05.02 lc) what is the value of y in the solution to the following system of equations? (5 points) 2x + y = −4 5x + 3y = −6

Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need