Examine this system of equations. Which numbers can be multiplied by each equation so that when the two equations are added together, the y term is eliminated? x- y = 5 a = 10 O 18 times the first equation and 8 times the second equation 0-18 times the first equation and 8 times the second equation 8 times the first equation and 6 times the second equation 08 times the first equation and 6 times the second equation