emilykanderson emilykanderson 02-07-2016 Mathematics contestada 5x + 10y = 18 x = y - 6 Which of the following equations is the result of substituting y - 6 in for x in the first equation? 5x + 10y - 6 = 18 5y - 6 + 10y = 18 5y - 30 + 10y = 18