Answer Happy

QUIZ Consider the system -28-y=-6 =10 To eliminate z, multiply the first equation by Resulting system of equations: 2-10 To eliminate y, multiply the first equation by Resulting system of equations: X and the second by Adding the two equations above gives: Solving for a gives z Adding the two equations above gives Solving for y gives y Once you know the value of y, you could obtain z by substituting this value in one of the original equations, for the sake of practice, we are going to eliminate y starting again with the original system Check Clear Help! and the second by Check Clear Help! Check Clear Check Clear Check Clear Help! Check Clear Help! Check Clear Check Clear